siphunculus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

sīphuncŭlus, i, m. dim. [sipho],

a little pipe from which water springs forth , Plin. Ep. 5, 6, 23; 5, 6, 36.—Also written without the aspirate, sīpuncŭlus , Fronto , Or. 1 med.