The Collaborative International Dictionary of English v.0.48:
Willowy \Wil"low*y\, a. 1. Abounding with willows. [1913 Webster] Where willowy Camus lingers with delight. --Gray. [1913 Webster] 2. Resembling a willow; pliant; flexible; pendent; drooping; graceful. [1913 Webster]WordNet (r) 3.0 (2006):
willowy adj 1: slender and graceful [syn: gracile, willowy]