noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The intermediate layer of cells in the wall of the anther, in ripe anthers often occurring as the inner layer by disappearance of the endothecium proper.

Etymology

From meso- + theca (“pollen-producing organ”) + -ium.

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