cernŭo — Lewis & Short
cernŭo, āvi, ātum, 1, v. a. and n.cernuus,
I to throw or fall head foremost (only ante- and post-class.), Varr. ap. Non. p. 21, 8; App. M. 1, 19, p. 111, 9; Front. Princ. Hist. 5.—In dep. form:
tigres cernuantur,Sol. 17:
equus de industriā cernuatus,id. 45.