In maritime law. A term used to denote such charges and disbursements as, according to occurrences and the custom of every place, the master necessarily furnishes for the benefit of the ship and cargo, either at the place of loading or unloading, or on the voyage; such as the hire of a pilot for conducting a vessel from one place to another, towage, light money, beaconage, anchorage, bridge toll, quarantine and such like. Park, Ins. 100. The particulars belonging to this head depend, however, entirely upon usage. Abb. Ship. 404. Simple average. Particular average, (q.v.)