trilingual Meaning, Definition & Usage

  1. adjective satellite using or knowing three languages
    • trilingual speakers

WordNet

Tri*lin"gual adjective
Etymology
L. trilinguis; tri- (see Tri-) + lingua tongue, language. See Lingual.
Definitions
  1. Containing, or consisting of, three languages; expressed in three languages.
    The much-noted Rosetta stone . . . bears upon its surface a trilingual inscription. I. Taylor.

Webster 1913