The definition of 'thecas' & the word 'thecas' in example sentences or phrases

Noun
1
a case or sheath especially a pollen sac or moss capsule
2
outer sheath of the pupa of certain insects

Synonyms of the word 'thecas' & Antonyms of the word 'thecas'.

Noun
Synonymstheca, sac, theca,