InsessoresIn`ses*so"res\, n. pl. [NL., fr. L. insessor, lit., one who sits down, fr. incidere. See Insession.] (Zo["o]l.) An order of birds, formerly established to include the perching birds, but now generally regarded as an artificial group.
|a bird with feet adapted for perching (as on tree branches); this order is now generally abandoned by taxonomists|