The Collaborative International Dictionary of English v.0.48:
arrow-shaped \arrow-shaped\ adj. 1. (Botany) like an arrow head without flaring base lobes; -- of a leaf shape. Syn: sagittate, sagittiform. [WordNet 1.5]WordNet (r) 3.0 (2006):
arrow-shaped adj 1: (of a leaf shape) like an arrow head without flaring base lobes [syn: sagittate, sagittiform, arrow-shaped]