Sill

An flat metal bar screwed to the bottom of a door flat to secure it to the stage.
Found on http://www.encyclo.co.uk/visitor-contributions.php

Sill

A flat stone used under windows, doors, and other masonry openings. A flat or slightly beveled unit set horizontally at the base of an opening in a wall.
Found on http://www.contractorschoolonline.com/Masonry-Glossary.aspx

Sill

The lowest member of the frame of a structure, resting on the foundation and supporting the floor joists or the uprights of the wall. The member forming the lower side of an opening, as in a door sill, window sill, etc.
Found on http://www.encyclo.co.uk/local/20933

Sill

• (n.) The basis or foundation of a thing; especially, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like. • (n.) The timber or stone on which a window frame stands; or, the lowest piece in a window frame. • (n.) A piece of ...
Found on http://thinkexist.com/dictionary/meaning/sill/

Sill

(1) The 2 X 4 or 2 X 6 wood plate framing member that lays flat against and bolted to the foundation
Found on http://www.superglossary.com/Glossary/Business/Construction/

Sill

- (1) The 2 X 4 or 2 X 6 wood plate framing member that lays flat against and bolted to the foundation wall (with anchor bolts) and upon which the floor joists are installed. Normally the sill plate is treated lumber. (2) The member forming the lower side of an opening, as a door sill or window sill.
Found on http://www.homebuildingmanual.com/Glossary.htm

Sill

1.The lower horizontal part of a window frame or window opening; also the accessory member which extends as a weather barrier from frame to outside face of wall. 2. The horizontal member at the bottom of a window or door.
Found on http://www.encyclo.co.uk/local/22195

sill

noun structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
Found on https://www.encyclo.co.uk/local/20974

Sill

[geology] In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or even along the direction of foliation in metamorphic rock. The term sill is synonymous with concordant intrusive sheet. This means that the sill does not cut across preexisting rocks, in con...
Found on http://en.wikipedia.org/wiki/Sill_(geology)

Sill

[river] The Sill is a 35 km long river in Tyrol, Austria. It is one of the larger tributaries of the Inn River in the Austrian Tyrol. It flows through the Wipptal valley north to Innsbruck. Its source lies east of the Brenner Pass. At the `Sillzwickel` - the name of the point where it meets the Inn at Innsbruck - there is a big recreation a...
Found on http://en.wikipedia.org/wiki/Sill_(river)

Sill

Sill noun [ Middle English sille , sylle , Anglo-Saxon syl , syll ; akin to German schwelle , Old High German swelli , Icelandic syll , svill , Swedish syll , Danish syld , Goth. gasuljan to lay a foundation, to found.] ...
Found on http://www.encyclo.co.uk/webster/S/103

Sill

A crosswise member at the top of an abutment or pier that supports the stringers, beams, or trusses of a bridge or boardwalk.
Found on http://www.americantrails.org/

Sill

A flat stone used under windows, doors, and other masonry openings. Or, a horizontal unit used at the base of an exterior opening in a structure.
Found on http://www.selectstone.com/architectural-resources/stone-glossary/

sill

a horizontal board that bears the upright beams of a wall.
Found on http://www.fisheriesheritage.ca/glossary.asp

sill

a horizontal sheet of igneous rock found between other rocks, and formed whent he molten igneous rock forced itself into cracks and crevices.
Found on http://www.seafriends.org.nz/books/glossary.htm

Sill

A sheet of igneous rock which is flat-lying or has intruded parallel to strata.
Found on http://www.australian-shares.com/glossary-of-terms.php.html

sill

A sheet-like igneous intrusion that parallels the plane of the surrounding rock.
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

Sill

A tabular body of intrusive igneous rock, parallel to the layering of the rocks into which it intrudes.
Found on http://www.encyclo.co.uk/local/21455

Sill

A tabular body of intrusive igneous rock, parallel to the layering of the rocks into which it intrudes.
Found on http://volcano.oregonstate.edu/glossary/1

Sill

A tabular body of intrusive rock injected between layers of the enclosing rock.
Found on http://www.evcforum.net/WebPages/Glossary_Geology.html

sill

A tabular igneous intrusion that parallels the planar structure of the surrounding rock.
Found on https://www.encyclo.co.uk/local/22327

sill

A tabular, parallel-sided sheet of igneous rock, formed underground, that is parallel to the layered rocks around it. Sills may be from under 1 cm to over 100 m thick and perhaps hundreds of kilometers wide.
Found on http://www.daviddarling.info/encyclopedia/S/sill.html

Sill

An alternative spelling of cill.
Found on https://www.eurocell.co.uk/glossary

Sill

an intrusion of igneous rock along the bedding planes of the surrounding rock layers (rather than cutting through them - see dyke).
Found on https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3451.h

Sill

An intrusive sheet of igneous rock of roughly uniform thickness that has been forced between the bedding planes of existing rock.
Found on http://www.libertystaruranium.com/miningexplained/mining-geology-glossary/
No exact match found