Webster's Revised Unabridged Dictionary · 1913

Extrude

Extrude , transitive verb

[Latin extrudere, extrusum; ex out + trudere to thrust, akin to English threat. See Threat.]

1.
To thrust out; to force, press, or push out; to expel; to drive off or away.
Parentheses thrown into notes or extruded to the margin. — Coleridge
2.
(Metallurgy) To shape or form by forcing metal heated to a semi-plastic condition through dies by the use of hydraulic power; as, extruded metal, extruded rods, extruded shapes.