Defn: A white crystalline substance obtained from castoreum.

CASTOR OIL
Cas"tor oil.

Defn: A mild cathartic oil, expressed or extracted from the seeds of the Ricinus communis, or Palma Christi. When fresh the oil is inodorus and insipid. Castor-oil plant. Same as Palma Christi.

CASTRAMETATION Cas`tra*me*ta"tion, n. Etym: [F. castramétation, fr. L. castra camp + metari to measure off, fr. meta limit.] (Mil.)

Defn: The art or act of encamping; the making or laying out of a camp.

CASTRATE
Cas"trate, v. t. [imp. & p. p. Castrated; p. pr. & vb. n.
Castrating.] Etym: [L. castrarus, p; p. of castrare to castrate, asin
to Skr. çastra 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.

CASTRATION
Cas*tra"tion, n. Etym: [L. castratio; cf. F. castration.]

Defn: The act of castrating.