Obs.1 [Seems to go with COY v.2: but may be from COY v.1] Encouragement of an animal by clapping the hands or the like.

1

a. 1400.  Octouian, 1344. No man may on that stede ryde But a bloman be hym bysyde … For he hym maketh … A nyse coye [rhyme Troye] … The coye ys with hys handys two, Clappynde togedre to and fro.

2