noun, plural an·the·ses [an-thee-seez] /ænˈθi siz/. Botany.
- the period or act of expansion in flowers, especially the maturing of the stamens.
noun
- the time when a flower becomes sexually functional
“full bloom,” 1835, from Greek anthesis, noun of action from antheein “to blossom,” from anthos “flower,” (see anther).
- The period during which a flower is fully open and functional. Also called efflorescence