CLOG (3)

Clog, v. i. 1. 1. To become clogged; to become loaded or encumbered, as with extraneous matter.
In working through the bone, the teeth of the saw will begin to clog. S. Sharp. 2. 2. To coalesce or adhere; to unite in a mass.
Move it sometimes with a broom, that the seeds clog not together. Evelyn.