noun / verb
wedge
WEJ/wedʒ/
A piece narrowing to an edge, used to force things apart or hold them in place.
A steel wedge forces the wood apart in an upright log.

Etymology
Old English wecg already named the wedge, so the modern tool sense continues an inherited meaning. Its deeper origin is uncertain; no secure older image explains the tool's name.
In context
the metal wedge is used to break down really big pieces of wood or pieces of wood that have lots of knots in them
More examples
- She slides a wooden wedge under the door to hold it open.
- We drive wedges into the crack to split the log.
- He wedges his suitcase between two boxes in the trunk.
Forms
wedge · wedges · wedged · wedging