con|gru|ous «KONG gru uhs», adjective.
1. Geometry. exactly coinciding.
╂[< Latin congruus (with English -ous) agreeing, fit < congruere; see etym. under congruent (Cf. ↑congruent)]
–con´gru|ous|ly, adverb.
–con´gru|ous|ness, noun.
Useful english dictionary. 2012.