A wheel composed of an abrasive compound and used for various grinding and abrasive machining operations. / (figuratively, by extension) Something that wears down or harms by attrition.

simple past tense and past participle of fecundate

(idiomatic) To abandon or leave; to shun; to refuse. / (idiomatic) To escape (a mishap, accident, etc.) with minimal or no injury. / (idiomatic) To outpace effortlessly.

Involving more than one primitive.