sīler, ĕris, n.,
a kind of brook-willow , Plin. 16, 18, 31, § 77; 24, 10, 44, § 73; Verg. G. 2, 12 Serv.
sīler eris, n a brook-willow, V. ...
An Elementary Latin Dictionary
Sĭler, v. Silarus. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.