adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A spicule (of a sponge) that has four branches

Adjective

1. 1
   tetractinal; having four rays not-comparable

Synonyms

All synonyms

tetracttetract

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.