Noun

(en noun)

The beginning of something.

The source of a river, information, goods, etc.

* {{quote-magazine, date=2013-06-14, author= Sam Leith

, volume=189, issue=1, page=37, magazine=(The Guardian Weekly) , title= Where the profound meets the profane , passage=Swearing doesn't just mean what we now understand by "dirty words". It is entwined, in social and linguistic history, with the other sort of swearing: vows and oaths. Consider for a moment the origins of almost any word we have for bad language – "profanity", "curses", "oaths" and "swearing" itself.}}

(mathematics) The point at which the axes of a coordinate system intersect.

(anatomy) The proximal end of attachment of a muscle to a bone that will not be moved by the action of that muscle.

(cartography) An arbitrary point on the earth's surface, chosen as the zero for a system of coordinates.

(in the plural) Ancestry.

Noun

(en noun)

(semantics) A statement of the meaning of a word or word group or a sign or symbol (dictionary definitions).

A statement expressing the essential nature of something; formulation

The action or process of defining.

The act of defining; determination of the limits.

A product of defining.

The action or power of describing, explaining, or making definite and clear.

Her comic genius is beyond definition .

Clarity of visual presentation, distinctness of outline or detail.

The definition of a telescope.

Improve the definition of an image.

Clarity, especially of musical sound in reproduction.

Sharp demarcation of outlines or limits.

A jacket with distinct waist definition .

(bodybuilding) The degree to which individual muscles are distinct on the body.

(programming) A statement which provides a previous declaration with a value or body of a subroutine (in the case of function).

(mathematics) A statement that establishes the referent of a term or notation.