mesothecium
/ˌmɛsə(ʊ)ˈθiːsɪəm/Botany. Now rare
noun
A layer in the outer wall of the pollen sac of a young anther, between the endothecium and the tapetum.
Origin
Late 19th century. From meso- + -thecium.
- preemie
- pre-eminence
- pre-eminency
- pre-eminent
- pre-eminently
- pre-emphasis
- pre-emphasize
- pre-empt
- pre-emptible
- pre-emption
- pre-emptioner
- pre-emption right
- pre-emptive
- pre-emptively
- pre-emptor
- pre-emptory
- preen
- pre-enclosure
- preener
- pre-engage
- pre-engaged
- pre-engaged starter
- pre-engagement
- pre-engineered
- preen gland