**Noun**length has 5 senses

- length - the linear extent in space from one end to the other; the longest horizontal dimension of something that is fixed in place; "the length of the table was 5 feet"

--_{1}is a kind of fundamental quantity, fundamental measure; physical property; dimension

--_{1}has particulars:circumference; diameter, diam; radius, r; longness; shortness - duration, length - continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"

--_{2}is a kind of temporal property

--_{2}has particulars:longness; lengthiness, prolongation, continuation, protraction; endlessness; shortness; brevity, briefness, transience; permanence, permanency; impermanence, impermanency - length - the property of being the extent of something from beginning to end; "the editor limited the length of my article to 500 words"

--_{3}is a kind of extent

- distance, length - size of the gap between two places; "the distance from New York to Chicago"; "he determined the length of the shortest line segment joining the two points"

--_{4}is a kind of size

--_{4}has particulars:leg; arm's length; gauge; light time; skip distance; wingspan, wingspread; wingspread; altitude - length - a section of something that is long and narrow; "a length of timber"; "a length of tubing"

--_{5}is a kind of section, segment