Pīn-nāt'i-fīd or Pīn'nā-ti-fid', a.

adjective

(Synop., § 130), a. [Lat. pinnatus, feathered, and findere, fidi, to split; Fr. pinnatifide.] (Bot.) Divided in a pinnate manner, with the divisions not reaching to the midrib.

A botanical drawing of a pinnatifid leaf with deeply lobed edges and a prominent central vein.
Pinnatifid Leaf.