v. t. [ L. extructus, exstructus, p. p. of extruere, exstruere, to build up; ex out + struere to build. ] To construct. [ Obs. ] Byrom. [ 1913 Webster ]

n. [ L. exstructio. ] A building up; construction. [ Obs. ] Cockeram. [ 1913 Webster ]

a. Constructive. [ Obs. ] Fulke. [ 1913 Webster ]

n. [ L. ] A builder. [ Obs. ] Bailey. [ 1913 Webster ]

v. t. [ imp. & p. p. Extruded; p. pr. & vb. n. Extruding. ] [ L. extrudere, extrusum; ex out + trudere to thrust, akin to E. 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. [ 1913 Webster ]

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. [ Webster 1913 Suppl. ]

n. The act of thrusting or pushing out; a driving out; expulsion. [ 1913 Webster ]

a. [ See Extrude. ] (Geol.) Forced out at the surface; as, extrusive rocks; -- contrasted with intrusive. [ Webster 1913 Suppl. ]