Definitions
1.NounThat which one is morally or legally obligated to do."Do your duty by me! -No, we don't have a duty to keep you abreast."
2.NounThe state of being at work and responsible for or doing a particular task."I’m on duty from 6 pm to 6 am."
3.NounAn excise tax; especially, one on imports or exports."customs duty"
4.NounOne's due, something one is owed; a debt or fee.
5.NounRespect; reverence; regard; act of respect; homage.
6.NounThe efficiency of an engine in work done per unit of fuel; particularly, the number of pounds of water which a steam pumping engine can raise one foot by burning one bushel or hundredweight of coal.
7.NounThe act of urination or defecation, especially for a dog.