Word Direct Answers

trinucleus

trinucleus is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A genus of Lower Silurian trilobites in which the glabella and cheeks form three rounded elevations on the head.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

Reverse-dictionary questions

Definition-first questions whose answer is trinucleus.

Sources