adjective
OrnithologyOf a bird: having a syrinx whose muscles are attached to the ends of the bronchial semi-rings; specifically (in Garrod's scheme) belonging to the division Acromyodi of passerine birds, closely corresponding to the suborder Oscines (the songbirds).
Origin
Late 19th century. From scientific Latin Acromyodi, former group name from acro- + -myodi (in Polymyodi) + -an.
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