Jugum \Ju"gum\ (j[=u]"g[u^]m), n.; pl. L. {Juga} (j[=u]"g[.a]),
E. {Jugums}. [L., a yoke, ridge.] (Bot.)
(a) One of the ridges commonly found on the fruit of
umbelliferous plants.
(b) A pair of the opposite leaflets of a pinnate plant.
[1913 Webster]