cot
/kɒt/ (bre, ipa) · /kɑːt/ (ame, ipa) · /ˈkät/ (ame, mw)
cot — noun
- cotsingular
- cotsplural
1. a bed with raised sides made for an infant or small child, designed to keep them
a bed with raised sides made for an infant or small child, designed to keep them safely inside during sleep
Sivan has just moved from her cot to a proper bed.
moved from cot to a proper bed (growing up)
Ava lowered the side of the cot to lift her sleepy daughter out.
lowered the side of the cot
The hospital cot had clear plastic walls so the nurses could watch the newborn.
Before the baby arrived, they put the wooden cot in a corner of the bedroom.
用法筆記
In American English, this type of bed is called a crib rather than a cot. See also the similar 'travel cot' which folds for portability.
常見錯誤
2. a lightweight bed made of a fabric sling stretched across a foldable metal or wo
a lightweight bed made of a fabric sling stretched across a foldable metal or wooden frame, used for camping, in hospitals, or as a spare bed indoors
Vikram unfolded his cot and placed it next to the tent wall.
unfolded his cot (collocation for setting up)
The hospital stored rows of empty cots in the basement for emergencies.
rows of empty cots (hospital context)
When unexpected guests arrived, Rania offered them a cot in the study.
Each soldier carried a folded cot strapped to the outside of their backpack.
Thin canvas cots were arranged in long rows inside the refugee shelter.
用法筆記
Unlike a camp bed (which often has a solid frame), a cot typically has fabric stretched between the frame rails. This sense is used in both British and American English without variety restriction.
常見錯誤
3. a simple, narrow single bed without much padding, found in places where space is
a simple, narrow single bed without much padding, found in places where space is tight such as a dormitory, ship cabin, or hostel
The student lay on the narrow cot in her dorm room and read a book.
narrow cot in a dorm room
Each ship cabin had two narrow cots fixed to the wall, one above the other.
cots built into the wall (ship context)
The hostel offered clean sheets and a cot for only ten dollars a night.
Kasia pulled back the thin blanket on the cot and tried to get comfortable.
- bunk
a bed built into a wall, often stacked; 'bunk' implies a fixed structure, whereas 'cot' may be movable
用法筆記
This sense overlaps with sense 2 (folding bed), but emphasises the narrowness and simplicity of the bed rather than its foldability. More common in British English than American.
cot — abbreviation
1. the shortened form of 'cotangent', a trigonometric function equal to the ratio o
the shortened form of 'cotangent', a trigonometric function equal to the ratio of the adjacent side to the opposite side in a right-angled triangle, or one divided by the tangent of an angle
To solve for the unknown angle, the student used the equation cot θ = 2.5.
cot θ = value (trigonometric equation)
The formula for the area of the triangle required finding the value of cot A.
In a right triangle, the cot of an angle equals adjacent side over opposite side.
Ava graphed the function f(x) = cot x from zero to π and noted the asymptotes.
- tan
tangent is the reciprocal of cotangent: tan θ = 1 ÷ cot θ
用法筆記
Used only in mathematical and scientific writing. In spoken mathematics, it is read as 'cot' (pronounced /kɒt/) or 'cotangent of angle X'.