ClamatoresClam`a*to"res\, n. pl. [L. clamator, pl. clamatores, a bawler.] (Zo["o]l.) A division of passerine birds in which the vocal muscles are but little developed, so that they lack the power of singing.
|used in some classification systems; a suborder or superfamily nearly coextensive with suborder Tyranni; Passeriformes having relatively simple vocal organs and little power of song; clamatorial birds|