Definition of: length

(lengkth) noun
1. Extension from end to end; hence, usually, the greatest dimension of a surface or body, as distinguished from breadth or width.
2. Distance measured along a line from end to end.
3. The state of being long.
4. Extent in point of time.
5. A specific or understood distance; a thing of known extent: a boat's length.
6. Power of extension; reach; extent; the distance reached or that may be reached.
7. In classical prosody, quantity.
8. Phonet. a The period required for the pronunciation of a vowel. b The quality of a vowel.
—at length
1. After an interval of expectation; finally; at last.
2. At full length; without omission or contraction. [OE lengthu <lang long]