definition of
capitulum

[1] #1 capitulum n. [head] a dense cluster of flowers or foliage; "a head of cauliflower"; "a head of lettuce". wn

[2] #2 capitulum n. [ear, spike] fruiting spike of a cereal plant especially corn. wn

[3] #3 capitulum n. an arrangement of leafy branches forming the top or head of a tree. wn