Semiring(redirected from Idempotent semi-ring)
Related to Idempotent semi-ring: semiring of sets
|n.||1.||(Anat.) One of the incomplete rings of the upper part of the bronchial tubes of most birds. The semirings form an essential part of the syrinx, or musical organ, of singing birds.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.