Index of English words, starting with "os"

(1) - Osmund (n.) A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen.

(1) - Osprey (n.) Alt. of Ospray

(1) - Ossein (n.) The organic basis of bone tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; -- called also ostein. Chemically it is the same as collagen.

(1) - Osseous (a.) Composed of bone; resembling bone; capable of forming bone; bony; ossific.