To begin to die; decline; fade; wither.To lose heart or courage; shrink before danger or difficulty; flinch; cower; tremble.To slacken.To quell; subdue; overpower; intimidate; terrify.To curdle; coagulate.n. A small gallinaceous bird of the Old World, related to the partridge, and belonging to the genus Coturnix.n. One of the various small gallinaceous birds more or less closely resembling the quail proper: loosely applied, with or without a qualifying term, especially in the United States, to all the species of Ortyx or Colinus, Lophortyx, Oreortyx, Callipepla, Cyrtonyx, and other genera of American Ortyginæ or Odontophorinæ.n. A prostitute. Also called plover.n. The mountain quail, Oreortyx pictus, of the western United States: so named from its bright marking of white and chestnut.n. An Australian hemipod, or button-quail, Turnix varius.