3. Hence, any assigned service or business; as, the duties of a policeman, or a soldier; to be on duty. With records sweet of duties done. Keble. To employ him on the hardest and most imperative duty. Hallam. Duty is a graver term than obligation. A duty hardly exists to do trivial things; but there may be an obligation to do them. C. J. Smith.
4. Specifically, obedience or submission due to parents and superiors. Shak.
5. Respect; reverence; regard; act of respect; homage. "My duty to you." Shak.
6. (Engin.)
Defn: The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard), or by 1 cwt. (112 lbs., England, or 100 lbs., United States).
7. (Com.)
Defn: Tax, toll, impost, or customs; excise; any sum of money required by government to be paid on the importation, exportation, or consumption of goods.
Note: An impost on land or other real estate, and on the stock of farmers, is not called a duty, but a direct tax. [U.S.] Ad valorem duty, a duty which is graded according to the cost, or market value, of the article taxed. See Ad valorem. — Specific duty, a duty of a specific sum assessed on an article without reference to its value or market. — On duty, actually engaged in the performance of one's assigned task.
DUUMVIR Du*um"vir, n.; pl. E. Duumvirs, L. Duumviri. Etym: [L., fr. duo two + vir man.] (Rom. Antiq.)
Defn: One of two Roman officers or magistrates united in the same public functions.