Pallial
Pronunciation : Pal"li*al
Part of Speech : a.
Etymology : [L. pallium a mantle. See Pall.] (Zo?l.)
Definition : 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 (Zo?l.), the cavity inclosed by the mantle. -- Pallial sinus (Zo?l.), an inward bending of the pallial line, near the posterior end of certain bivalve shells, to receive the siphon. See Illust. of Bivalve.
Source : Webster's Unabridged Dictionary, 1913