Defn: The lichen from which archil is obtained. See Archil.
ORCHIS
Or"chis, n.; pl. Orchises. Etym: [L., fr. Gr.
1. (Bot.)
Defn: A genus of endogenous plants growing in the North Temperate zone, and consisting of about eighty species. They are perennial herbs growing from a tuber (beside which is usually found the last year's tuber also), and are valued for their showy flowers. See Orchidaceous.
2. (Bot.)
Defn: Any plant of the same family with the orchis; an orchid.
Note: The common names, such as bee orchis, fly orchis, butterfly orchis, etc., allude to the peculiar form of the flower.
ORCHITIS
Or*chi"tis, n. Etym: [NL., fr. Gr. -itis.] (Med.)
Defn: Inflammation of the testicles.
ORCHOTOMY
Or*chot"o*my, n. Etym: [Gr. (Surg.)