Premium

n. supplementary charge, additional charge; amount paid for insurance; prize, reward; tuition

A premium can be:a marketing term for a bundled good or servicea risk premium, the monetary difference between the guaranteed return and the possible return on an investmentan insurance premium, such as a deposit premiuma class of subscription-based television servicea premium-rate telephone numbera type of bond available in the United Kingdom (Premium Bond)a class of railway stations on Metlinka brand of shopping malls (Premium Outlets)a Nabisco brand of saltine crackersa brand of cola from Germany (Premium-cola)a grade of gasoline; see Octane rating
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Noun
1. payment for insurance
(synonym) insurance premium
(hypernym) payment
2. a fee charged for exchanging currencies
(synonym) agio, agiotage, exchange premium
(hypernym) charge
3. payment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the military
(synonym) bounty
(hypernym) reward
(classification) government, governing, governance, government activity
Adjective
1. having or reflecting superior quality or value; "premium gasoline at a premium price"
(similar) superior

n. premium, prize, reward; additional charge

(n.)
Something offered or given for the loan of money; bonus; -- sometimes synonymous with interest, but generally signifying a sum in addition to the capital.
  

(n.)
A sum of money paid to underwriters for insurance, or for undertaking to indemnify for losses of any kind.
  

(n.)
A sum in advance of, or in addition to, the nominal or par value of anything; as, gold was at a premium; he sold his stock at a premium.
  

(n.)
A reward or recompense; a prize to be won by being before another, or others, in a competition; reward or prize to be adjudged; a bounty; as, a premium for good behavior or scholarship, for discoveries, etc.