• WordNet 3.6
    • n Clamatores 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
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Webster's Revised Unabridged Dictionary
    • n. pl Clamatores (Zoöl) A division of passerine birds in which the vocal muscles are but little developed, so that they lack the power of singing.
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Century Dictionary and Cyclopedia
    • clamatores In Cabanis's classification (1842), an order of insessorial birds, consisting of a majority of those non-oscine forms which had been called Picariœ by Nitzsch, having ten primaries, the first of them well developed, and the feet neither zygodactyl nor anisodactyl. It was an artificial assemblage, and is now recognized, if at all, only in a modified sense. The name was adapted from Andreas Wagner (1841).
    • clamatores The gallinaceous birds, or Gallinæ: so called from the crowing or clamoring of the males, especially as instanced in domestic poultry.
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Webster's Revised Unabridged Dictionary
L. clamator, pl. clamatores, a bawler


In literature:

This type comprises the Clamatores.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7" by Various