Clam"my (?), a. [Compar. Clammier (?); superl. Clammiest.] [Cf. AS. clām 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.

• Cold and damp, usually referring to hands or palms.
       His hands were clammy from fright