cot Definition

cot¹
noun

1. A small bed with high, barred sides for a child.
2. A portable bed.
3. naut.
A bed like a hammock.
(Anglo-Indian)
4. A light bedstead.

Etymology: 17c: from Hindi khat bedstead.

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cot²
noun

1. poetic
A cottage.
2. A shortened form of cote.

Example: dovecot

Etymology: Anglo-Saxon.

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cot³
abbreviation

1. Cotangent.

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cotangent
noun

1. trig.
For a given angle in a right-angled triangle: a function (noun 4) that is the ratio of the length of the side adjacent to the angle under consideration, to the length of the side opposite it; the reciprocal of the tangent of an angle.

Etymology: 17c: from co- short for complement 4 + tangent.