meg·a·spo·ran·gi·um 
(mĕg′ə-spə-rănjē-əm)
(mĕg′ə-spə-rănjē-əm)n. pl. meg·a·spo·ran·gi·a (-jē-ə)
A structure in which megaspores are formed.
- companionableness
- companionably
- companion animal
- companionate
- companionate marriage
- companion cell
- companion planting
- companionship
- companionway
- company
- company-grade officer
- company man
- company town
- company woman
- comparability
- comparable
- comparableness
- comparable worth
- comparably
- comparatist
- comparative
- comparatively
- comparative method
- comparator
- compare