Cĕr'nuŏs or Cĕr'nu-oŭs, a.

adjective

a. [Lat. cernuus, inclined like that which looks (cernit) to the earth, from cernere, to perceive, to see.] (Bot.) Having the top inclining or nodding downward; pendulous.

A botanical drawing of a cernuous stem with drooping flowers.
Cernous Stem.