Clam \Clam\ (cl[a^]m), v. t. [imp. & p. p. Clammed; p. pr. & vb. n. Clamming.]

[Cf. AS. cl[ae]man to clam, smear; akin to Icel. kleima to smear, OHG. kleimjan, chleimen, to defile, or E. clammy.]

To clog, as with glutinous or viscous matter.

A swarm of wasps got into a honey pot, and there they cloyed and clammed Themselves till there was no getting out again. --L'Estrange.

Source: Webster's Revised Unabridged Dictionary (1913)