wedge; chock; linchpin; tie; bond
to drive a wedge into (e.g. enemy defences); to wedge apart
wedge-shaped; cuneate; cuneiform
to make sure (of); (lit.) to drive in a wedge
keystone; sphene; titanite
wedge (for securing objects together); tie; bond
slender sunfish (Ranzania laevis); oblong sunfish