||Hy*lo"des (?), n. [NL., fr. Gr. &?; woody, wooded, muddy; &?; a wood + &?; form.] (Zoöl.) The piping frog (Hyla Pickeringii), a small American tree frog, which in early spring, while breeding in swamps and ditches, sings with high, shrill, but musical, notes.