rare. [f. SPATULATE a.] The fact or condition of being spatulate; a spatulate formation.
1881. Newton, in Encycl. Brit., XII. 359/1. The lateral feathers [of humming birds] may suddenly enlarge into a terminal spatulation as in the Racquet-tails.
1895. Ibis, July, 399. That in some motmots the spatulation of the tail-feathers may be effected by the bird itself.