Tri*lat"er*al (?), a.[L. trilaterus; tri- (see Tri-) + latus, lateris, side: cf. F. trilat'eral. See Lateral.] Geom.

Having three sides; being three-sided; as, a trilateral triangle.

-- Tri*lat"er*al*ly, adv. -- Tri*lat"er*al*ness, n.

 

© Webster 1913.

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