ˈsti(ˌ)pyül noun
( -s )
Etymology: New Latin stipula, from Latin, stalk, straw; akin to Latin stipes log, trunk of a tree, stipare to press together — more at stiff
1.
a. : one of the pair of leaflike or membranous appendages that arise at the base of the leaf in many plants, vary greatly in size and shape and in degree of adnation to the stem, to the petiole, or to each other, and become modified in some plants to form spines or tendrils and in others to perform all the functions of leaves — see ocrea
b. also stip·u·lode ˈstipyəˌlōd
[ stipulode from stipule + -ode ]
: one of the leaflike structures arising together with the leaf from the cortex of the basal nodes in some algae of the genus Chara
2. : a newly sprouted feather : pinfeather