
1) Anagram of char 2) Angel or enemy preceder 3) Aqueduct feature 4) Aqueduct formation 5) Arcade 6) Arch bridge 7) Architectural detail 8) Architecture word 9) Architectural word 10) Architectural term 11) Architecture term 12) Back position 13) Bend 14) Bend backward 15) Bend over 16) Bend over backward 
Found on 
https://www.crosswordclues.com/clue/arch

1) Arc 2) Archway 3) Chief 4) Condescending 5) Cunning 6) Curvature 7) Curve 8) Important 9) Instep 10) Ironic 11) Ogive 12) Patronising 13) Patronizing 14) Skilled 15) Sly 16) Span 17) Squinch 
Found on 
https://www.crosswordclues.com/clue/arch

 A bridge of bone in the skull, such as zygomatic arch (Peters 1964).
Found on 
http://imnh.isu.edu/digitalatlas/bio/glsry.htm

• (n.) A flat arch is a member constructed of stones cut into wedges or other shapes so as to support each other without rising in a curve. • (v. t.) To form or bend into the shape of an arch. • (n.) A chief. • (v. i.) To form into an arch; to curve. • (n.) Any part of a curved line. • (n.) Any place covered by an arch...
Found on 
http://thinkexist.com/dictionary/meaning/arch/

A curved or pointed structural element that is supported at its sides.
Found on 
http://www.architecturaltrust.org/outreach/education/glossary-of-architectu

a curvature; both the maxillary and mandibular ridge form a horseshoe shaped arch. 
Found on 
http://www.cosmeticdentistryguide.co.uk/glossary.html

(A) Round arch with (1) keystone, (2) voussoir, (3) springer, (4) impost, (5) pier. (B) The forces acting on the keystone: the downward load (1) is balanced by the upward thrust (2) from the two adjacent voussoirs. Ultimately, of course, the sideways components of these forces are borbe by the wall ...
Found on 
http://www.daviddarling.info/encyclopedia/A/arch.html

<dentistry> Collectively, either the teeth or the basal bone of either jaw. ... (08 Jan 1998) ... 
Found on 
http://www.encyclo.co.uk/local/20973

(ahrch) a structure of bowlike or curved outline.
Found on 
http://www.encyclo.co.uk/local/21001

A curved compressive structural member, spanning openings or recesses; also built flat.
Found on 
http://www.encyclo.co.uk/local/22187

(Learning Modules / Mathematics / Bridges) A span that consists of an upwardly curved beam. The forces from the centre are distributed outwards. There are many types of arch, including Corbelled, Roman, Gothic, Arabic, Elliptic etc.
Found on 
http://www.encyclo.co.uk/visitor-contributions.php
Arch (ärch) 
 adjective [ See 
 Arch- , prefix ] 
 1.  Chief; eminent; greatest; principal. « The most 
 arch act of piteous massacre. 
 Shak. »  
 2.  Cunning or sly; sportively mischievous; roguish; as, an 
 arch look, word, lad. « [ He] spoke his re...
Found on 
http://www.encyclo.co.uk/webster/A/114
Arch  intransitive verb  To form into an arch; to curve. 
Found on 
http://www.encyclo.co.uk/webster/A/114
Arch  noun [ French 
 arche , from Late Latin 
 arca , for 
 arcus . See 
 Arc .] 
 1.  (Geom.) Any part of a curved line.  
 2.  (Architecture)  (a)  Usually a curved member made up of separate wedge-shaped solids, with the joints between them dispose...
Found on 
http://www.encyclo.co.uk/webster/A/114
Arch  transitive verb [ 
 imperfect & past participle   Arched ; 
 present participle & verbal noun   Arching .] 
 1.  To cover with an arch or arches.  
 2.  To form or bend into the shape of an arch. « The horse 
 arched h...
Found on 
http://www.encyclo.co.uk/webster/A/114
 noun a passageway under a curved masonry construction; `they built a triumphal arch to memorialize their victory`
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https://www.encyclo.co.uk/local/20974
condescending adjective (used of behavior or attitude) characteristic of those who treat others with condescension
Found on 
https://www.encyclo.co.uk/local/20974
(architecture) Click images to enlargeIn masonry, a curved structure that supports the weight of material over an open space, as in a bridge or doorway. The first arches consisted of several wedge-shaped stones supported by their mutual pressure....
Found on 
https://www.encyclo.co.uk/local/21221
(earth science) In geomorphology (the study of landforms), any natural bridge-like land feature formed by erosion. Most sea arches are formed from the wave erosion of a headland where the backs of two caves have met and broken thr...
Found on 
https://www.encyclo.co.uk/local/21221
(of eyebrow) arco
Found on 
https://www.encyclo.co.uk/local/22762
(verb) arquear
Found on 
https://www.encyclo.co.uk/local/22762
(foot) The high curved part of the foot between the ball of the foot and heel
Found on 
https://www.encyclo.co.uk/local/23293
(shoe) The high curved part of the shoes that supports the arch of the foot
Found on 
https://www.encyclo.co.uk/local/23293

 · a curved masonry construction for spanning an opening, consisting of a number of wedgelike stones, bricks, or the like, set with the narrower side toward the opening in such a way that forces on the arch are transmitted as vertical or oblique stresses on either side of the opening. · an upwardly curved construction, as of steel or t...
Found on 
https://www.infoplease.com/dictionary/arch
[Logging] An open-framed trailer or built-up framework used to suspend the leading ends of trees or logs when they are skidded.
Found on 
https://www.osha.gov/SLTC/etools/logging/index.html
  No exact match found.