n.
Function: noun
Date: 1702
1 : a classification according to grade specifically : a military or naval specialist classification
2 chiefly British : a naval enlisted man
3 a : relative estimate or evaluation : STANDING <the school has a good academic rating > b : an estimate of an individual's or business's credit and responsibility c : an estimate of the percentage of the public listening to or viewing a particular radio or television program
4 : a stated operating limit of a machine expressible in power units (as kilowatts of a direct-current generator) or in characteristics (as voltage)