a. Gr. Pros. [f. Gr. τρίκωλος (f. τρι-, TRI- + κῶλον limb, clause) + -IC.] Consisting of three cola: see COLON2 1. So Tricolon, a period consisting of three cola.

1

1706.  Phillips (ed. Kersey), Tricolon,… a Stanza, or Staff of three Verses.

2

1891.  Cent. Dict., Tricolic.

3