Definition of: percolate

(pûr′kə·lāt) v.t. & v.i. ·lat·ed, ·lat·ing
To pass or cause to pass through fine interstices; filter; strain; permeate.
—noun
1. That which has percolated; a filtered liquid.
2. A liquid containing the soluble portion of a drug through which it has passed. [<L percolatus, pp. of percolare <per- through + colare strain <colum a strainer]
—per′co·la′tion noun