ABOUND', v. i. [L. abundo. If this word is from L. unda, a wave, the latter has probably lost its first consonant. Abound may naturally be deduced from the Celtic. L. fons, a fountain.]1. To have or possess in great quantity; to be copiously supplied; followed by with or in; as to abound with provisions; to abound in good things.2. To be in great plenty; to be very prevalent.Where sin abounded, grace did much more abound. Rom. v.