drawback

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A disadvantage or inconvenience. See Synonyms at disadvantage.
2. n. A refund or remittance, such as a discount on duties or taxes for goods destined for reexport.

Century Dictionary and Cyclopedia

1. n. Any loss of advantage or impairment of profit, value, success, or satisfaction; a discouragement or hindrance; a disadvantage.
2. n. Money or an amount paid back; usually, a certain amount of duties or customs dues paid back or remitted to an importer when he exports goods that he has previously imported and paid duty on, as, for instance, tobacco, or a certain amount of excise paid back or allowed on the exportation of home manufactures. Abbreviated dbk.
3. n. In iron-founding, a loose piece in a mold. In brass-founding such a piece is called a false core.

Wiktionary

1. n. A disadvantage; something that detracts or takes away.
2. n. A partial refund of an import fee, as when goods are re-exported from the country that collected the fee.

GNU Webster's 1913

1. n. A loss of advantage, or deduction from profit, value, success, etc.; a discouragement or hindrance; objectionable feature.
2. n. Money paid back or remitted; especially, a certain amount of duties or customs, sometimes the whole, and sometimes only a part, remitted or paid back by the government, on the exportation of the commodities on which they were levied.

WordNet 3.0

1. v. pull back or move away or backward
2. v. use a surgical instrument to hold open (the edges of a wound or an organ)
3. n. the quality of being a hindrance