[spathe] n [NL spatha, fr. L, broadsword--more at spade] (1785): a sheathing bract or pair of bracts partly enclosing an inflorescence and esp. a spadix on the same axis "the ~ of the calla lily"
SPATHE
Meaning of SPATHE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012