PALLIAL
Etymology
Adjective
pallial (not comparable)
Of, pertaining to, or produced by a mantle, especially the mantle of mollusks.
Of or relating to the pallium.
Source: Wiktionary
Pal"li*al, a. Etym: [L. pallium a mantle. See Pall.] (Zoöl.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition