01 a. Pertaining to, or having the character of, perching birds.
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1.
Pertaining to, or having the character of, perching birds.(Zool.)
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2.
Belonging or pertaining to the Insessores.
Entry
2 senses
Webster, 1913
Insessorial
· In·ses·so·ri·al
· IPA /ɪnsɛˈsɔːɹɪəl/