Sem"i*ring` (?), n. (Anat.) One of the incomplete rings of the upper part of the bronchial tubes of most birds. The semerings form an essential part of the syrinx, or musical organ, of singing birds.

Sem"i*ring` (?), n. (Anat.) One of the incomplete rings of the upper part of the bronchial tubes of most birds. The semerings form an essential part of the syrinx, or musical organ, of singing birds.