Definition

Of or pertaining to trap rock; as, a trap dike.

Other Definitions

This word also has 2 other definitions:

TRAP (noun)

An old term rather loosely used to designate various dark- colored, heavy igneous rocks, including especially the feldspathic- augitic rocks, basalt, ...

TRAP (verb)

To dress with ornaments; to adorn; -- said especially of horses. Steeds . . . that trapped were in steel all glittering. Chaucer. To deck his hearse, ...