Defn: In the organ, a valve between the wind chest and the mouth of a pipe or row of pipes.

8. (Zoöl.)

Defn: One of a pair of shelly plates that protect the siphon tubes of certain bivalves, as the Teredo. See Illust. of Teredo.

9. A cup containing three ounces, —

PALLIAL
Pal"li*al, a. Etym: [L. pallium a mantle. See Pall.] (Zoöl.)

Defn: Of or pretaining to a mantle, especially to the mantle of mollusks; produced by the mantle; as, the pallial line, or impression, which marks the attachment of the mantle on the inner surface of a bivalve shell. See Illust. of Bivalve. Pallial chamber (Zoöl.), the cavity inclosed by the mantle. — Pallial sinus (Zoöl.), an inward bending of the pallial line, near the posterior end of certain bivalve shells, to receive the siphon. See Illust. of Bivalve.

PALLIAMENT Pal"li*a*ment, n. Etym: [LL. palliare to clothe, fr. L. pallium a manltle. See Pall the garment.]

Defn: A dress; a robe. [Obs.] Shak.

PALLIARD Pal"liard, n. Etym: [F. paillard, orig., one addicted to the couch, fr. paille straw. See Pallet a small bed.]

1. A born beggar; a vagabond. [Obs.] Halliwell.