noun — 7 senses
UK /ˈkɑːs.tə/ · US /ˈkæs.tɚ/
Etymology From Middle French castor, from Old French castor (“beaver”), from Latin castor (“beaver”), from Ancient Greek κάστωρ (kástōr), from Doric Greek κάστον (káston, “wood”).
A hat made from the fur of the beaver.
A heavy quality of broadcloth for overcoats.
Castoreum (bitter exudate of mature beavers).
Any of various nymphalid butterflies of the genus Ariadne, of Africa and Asia.
Etymology Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found.
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences A variety of petalite found in Elba.
Etymology Alternative spelling of caster, via cast + -or (the Latinate varient of -er).
› Alternative spelling of caster, especially…
UK, Especially A pivoting roller attached to the bottom of furniture to allow it to be moved.
UK, Especially A container with a perforated cap for sprinkling its contents, especially salt, pepper, etc.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.