Wordnet 3.0
ADJECTIVE (1)
1.
resembling a catkin;
The Collaborative International Dictionary of English v.0.48:
catkinate \catkinate\ adj.
of, pertaining to, or resembling a catkin.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
catkinate
adj 1: resembling a catkin