length
1. [ noun ] the linear extent in space from one end to the other; the longest horizontal dimension of something that is fixed in place
Examples:

"the length of the table was 5 feet"

Related terms: dimension fundamental_measure physical_property diameter radius shortness longness circumference long short
2. [ noun ] continuance in time
Synonyms: duration
Examples:

"the ceremony was of short duration" "he complained about the length of time required"

Related terms: temporal_property permanence brevity longness lengthiness impermanence shortness endlessness long short
3. [ noun ] the property of being the extent of something from beginning to end
Examples:

"the editor limited the length of my article to 500 words"

Related terms: extent
4. [ noun ] size of the gap between two places
Synonyms: distance
Examples:

"the distance from New York to Chicago" "he determined the length of the shortest line segment joining the two points"

Related terms: size measure arm's_length wingspread altitude light_time wingspan gauge skip_distance leg
5. [ noun ] a section of something that is long and narrow
Examples:

"a length of timber" "a length of tubing"

Related terms: section
Similar spelling:   lengthy
  lengthen
  lengthily