Also Sc. snicher. [f. SNICKER v.] A smothered laugh; a snigger.
1857. J. G. Holland, Bay Path, iv. That individual … gave utterance to an explosive snicker.
1881. Daily News, 5 April, 6/1. There’s an audible snicker up above.
1888. Gunter, Mr. Potter, xiv. 175. There comes a cruel silence, broken only by a snicker from Van Cott.
