mesomyodian
/ˌmɛsə(ʊ)mʌɪˈəʊdɪən/Ornithology
adjective
Of a bird: having a syrinx whose muscles are attached to the middle of the bronchial semi-rings; specifically (in Garrod's scheme) belonging to the division Mesomyodi of passerine birds, closely corresponding to the suborder Deutero-Oscines (the suboscine passerines).
Origin
Late 19th century. From scientific Latin Mesomyodi, former group name + -an.