trimerous adjective. ['trɪm(ǝ)rǝs, 'trʌɪ-] E19.
[from Greek trimerēs, from tri- TRI- + meros part: see -OUS.]
1. Formed of three parts or segments; spec. (Entomology) (having tarsi etc.) consisting of three segments or joints. E19.

2. Botany. Of a flower: having the parts, esp. the petals or sepals, in threes. M19.

[TahlilGaran] English Dictionary ▲