Cast"or (?), n. See Caster, a small wheel.
Cas"tor (?), n. [L.] (Astron.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.
{ Cas"tor, Cas"tor*ite (?), } n. [The minerals castor and pollux were so named because found together on the island of Elba. See Castor and Pollux.] (Min.) A variety of the mineral called petalite, from Elba.
Cas"tor and Pol"lux (?). [Castor and Pollux were twin sons of Jupiter and Leda.] (Naut.) See Saint Elmo's fire, under Saint.
Cas"tor bean` (?). (Bot.) The bean or seed of the castor-oil plant (Ricinus communis, or Palma Christi.)
Cas*to"re*um (?), n. [L. See Castor.] A peculiar bitter orange-brown substance, with strong, penetrating odor, found in two sacs between the anus and external genitals of the beaver; castor; -- used in medicine as an antispasmodic, and by perfumers.
Cas"to*rin (kăs"t&osl;*r&ibreve;n), n. [From 1st Castor.] (Chem.) A white crystalline substance obtained from castoreum.
Cas"tor oil (kăs"t&etilde;r oil`). A mild cathartic oil, expressed or extracted from the seeds of the Ricinus communis, or Palma Christi. When fresh the oil is inodorous and insipid.
Castor-oil plant. Same as Palma Christi.
Cas`tra*me*ta"tion (?), n. [F. castramÚtation, fr. L. castra camp + metari to measure off, fr. meta limit.] (Mil.) The art or act of encamping; the making or laying out of a camp.
Cas"trate (?), v. t. [imp. & p. p. Castrated; p. pr. & vb. n. Castrating.] [L. castrarus, p; p. of castrare to castrate, asin to Skr. šastra knife.] 1. To deprive of the testicles; to emasculate; to geld; to alter.
2. To cut or take out; esp. to remove anything erroneous, or objectionable from, as the obscene parts of a writing; to expurgate.
My . . . correspondent . . . has sent me the following letter, which I have castrated in some places.
Spectator.
Cas*tra"tion (?), n. [L. castratio; cf. F. castration.] The act of castrating.
||Cas*tra"to (?), n. [L., properly p. p. of castrare. See Castrate.] A male person castrated for the purpose of improving his voice for singing; an artificial, or male, soprano. Swift.
Cas"trel (?), n. [Cf. F. crÚcerelle, cristel, OF. crecel, cercele. Cf. Kestrel.] (Zo÷l.) See Kestrel.
Cas*tren"sial (?), a. [L. castrensis, fr. castra camp.] Belonging to a camp. Sir T. Browne.