FUNDAMENT Fun"da*ment, n. Etym: [OE. fundament, fundement, fondement, OF. fundement, fondement, F. fondement, fr. L. fundamentum foundation, fr. fundare to lay the bottom, to found, fr. fundus bottom. See Fund.]

1. Foundation. [Obs.] Chaucer.

2. The part of the body on which one sits; the buttocks; specifically (Anat.), the anus. Hume.

FUNDAMENTAL
Fun`da*men"tal, a. Etym: [Cf. F. fondamental.]

Defn: Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental axiom. The fundamental reasons of this war. Shak. Some fundamental antithesis in nature. Whewell. Fundamental bass (Mus.), the root note of a chord; a bass formed of the roots or fundamental tones of the chords. — Fundamental chord (Mus.), a chord, the lowest tone of which is its root. — Fundamental colors, red, green, and violet-blue. See Primary colors, under Color.

FUNDAMENTAL
Fun"da*men`tal, n.

Defn: A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of the Christian faith.

FUNDAMENTALLY
Fun`da*men"tal*ly, adv.

Defn: Primarily; originally; essentially; radically; at the foundation; in origin or constituents. "Fundamentally defective." Burke.

FUNDED
Fund"ed, a.