a. [ L. runcinatus, p. p. of runcinare to plane off, fr. runcina a plane. ] (Bot.) Pinnately cut with the lobes pointing downwards, as the leaf of the dandelion. [ 1913 Webster ]
a. [ L. uncinatus, from uncinus a hook, from uncus a hook. ] Hooked; bent at the tip in the form of a hook;