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kayak a boat, used by the Inuit people, that is slim with a light frame and is pointed at both ends. Kayaks are covered with a waterproof skin that may be pulled tight around the waist of the person inside. [2 definitions]
Kazakhstan a Central Asian country located to the south of Russia. The capital of Kazakhstan is Astana.
keel a long piece of wood or metal that runs down the length of the bottom of a boat or ship. The keel makes a boat or ship stable in the water.
keel over to fall over suddenly; faint.
keen1 very sharp; able to cut easily into thin, exact pieces. [3 definitions]
keep to hold or continue to hold. [8 definitions]
keep an eye on to watch or tend with care.
keep an eye out to watch closely.
keeping harmony or agreement. [2 definitions]
keep one's balance to stay steady and upright.
keep one's chin up to stay hopeful; not lose hope.
keep one's distance to stay far away or avoid getting involved.
keep one's fingers crossed to hope for a good ending or result.
keep one's shirt on (informal) to stop oneself from becoming angry or losing patience; hold one's temper.
keep tabs on (informal) to keep under close watch; observe carefully.
keep track of to record the movements or progress of.
keep under wraps to keep secret or hidden.
keep up with to go at the same speed or pace as.
keg a small barrel holding less than ten gallons.
kelp a coarse brown seaweed. [2 definitions]
Kelvin a temperature scale having intervals that correspond to those of the Celsius scale. On the Kelvin scale, zero degrees (zero Kelvins)is equal to -273.15 degrees Celsius. [3 definitions]