v. To form or shape (a metal, plastic etc.) by forcing it through a die or an opening.
the GNU version of the Collaborative International Dictionary of English
v. To thrust out; to force, press, or push out; to expel; to drive off or away.
v. To shape or form by forcing metal heated to a semi-plastic condition through dies by the use of hydraulic power.
The Century Dictionary and Cyclopedia
To thrust out; force, press, or crowd out; expel: applied to things.
To drive away; expel; displace or remove, as a person from a place or office.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. form or shape by forcing through an opening
Word Usage
"In my first and Second Lives, even 3D looks flat at times, and if I squint my eyes closely enough, I can "extrude" a visual model of what I'm really looking for."