The lower floor of a house, at ground level. / (slang, euphemistic) The genitalia.

(idiomatic) To refuse, decline, or deny. / (idiomatic) To reduce the power, etc. of something by means of a control, such as the volume, heat, or light.

present participle of dumb down

(idiomatic, transitive) To convey some subject matter in simple terms, avoiding technical or academic language, especially in a way that is considered condescending.

Perfected; practiced ease and confidence.

(idiomatic) To consume (food) quickly or greedily, without regard for table manners.

(idiomatic) to examine information at another level or in greater detail; especially in a database, to navigate to a more detailed level or record

(of marching bands) an internal competition used to practice marching commands, in which the last person caught improperly executing a command wins

A pin, or block, of wood or metal, fitting into holes in the abutting portions of two pieces, and being partly in one piece and partly in the other, to keep them in their proper relative position.

(transitive) To fasten together with dowels. / (transitive) To furnish with dowels.