Clammy \Clam"my\, a. [Compar. Clammier; superl. Clammiest.]

[Cf. AS. cl[=a]m clay. See Clam to clog, and cf. Clay.]

Having the quality of being viscous or adhesive; soft and sticky; glutinous; damp and adhesive, as if covered with a cold perspiration.

Source: Webster's Revised Unabridged Dictionary (1913)