Definition:(noun) great coolness and composure under strain; "keep your cool"(noun) a cgs unit of dynamic viscosity equal to one dyne-second per square centimeter; the viscosity of a fluid in which a force of one dyne per square centimeter maintains a velocity of 1 centimeter per second (noun) a state of being balanced in a stable equilibrium (verb) hold or carry in equilibrium (verb) cause to be balanced or suspended (verb) prepare (oneself) for something unpleasant or difficult (verb) be motionless, in suspension; "The bird #######d for a few moments before it attacked"
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