
1) Cutting tool
Found on
https://www.crosswordclues.com/clue/broaching
[metalworking] Broaching is a machining process that uses a toothed tool, called a broach, to remove material. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common process, the broach is run linearly against a surface of the workpiece to effect the cut. Linear broaches are used in a broachi...
Found on
http://en.wikipedia.org/wiki/Broaching_(metalworking)

• (p. pr. & vb. n.) of Broach
Found on
http://thinkexist.com/dictionary/meaning/broaching/

When a vessel is turned broadside on the oncoming waves.
Found on
http://www.diy-wood-boat.com/Boating-terms.html

A generating process whereby metal is removed with a multiple-point tool, usually a bar, with tooth height increasing from the starting end. When the broach is pulled or pushed through or over the work, each tooth removes a clip of uniform thickness, in contrast to a milling cutting tooth which removes a wedge-shaped chip.
Found on
http://www.encyclo.co.uk/local/21038

blowing out of formation fluids outside the casing and under the rig
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Multiple shaving, accomplished by pushing a tool with stepped cutting edges along the piece, particularly through holes.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Smoothing machined holes or outside surfaces of castings by drawing pushing on or more broaches (special cutting tools) through the roughed out hole.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Multiple shaving, accomplished by pushing a tool with stepped cutting edges along the piece, particularly through holes.
Found on
https://www.unifiedalloys.com/resources/glossary/
No exact match found.