Defn: An order of free-swimming marine worms, of which the genus Sagitta is the type. They have groups of curved spines on each side of the head.

CHAETOPOD
Chæ"to*pod, a. (Zoöl.)

Defn: Pertaining to the Chætopoda.
— n.

Defn: One of the Chætopoda.

CHAETOPODA
Chæ*top"o*da, n. pl. Etym: [NL., from Gr. -poda.] (Zoöl.)

Defn: A very extensive order of Annelida, characterized by the presence of lateral setæ, or spines, on most or all of the segments. They are divided into two principal groups: Oligochæta, including the earthworms and allied forms, and Polychæta, including most of the marine species.

CHAETOTAXY
Chæ"to*tax`y, n. Etym: [Gr. (Zoöl.)

Defn: The arrangement of bristles on an insect.

CHAFE
Chafe, v. t. [imp. & p. p. Chafed; p pr. & vb. n. Chafing.] Etym:
[OE. chaufen to warm, OF. chaufer, F. chauffer, fr. L. calefacere,
calfacere, to make warm; calere to be warm + facere to make. See
Caldron.]

1. To ecxite heat in by friction; to rub in order to stimulate and make warm. To rub her temples, and to chafe her skin. Spenser.