burgage

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A tenure in England and Scotland under which property of the king or a lord in a town was held in return for a yearly rent or the rendering of a service.

from The Century Dictionary.

• noun A plate having perforations which serve as standards for the diameters of drills, etc.
• noun In law: In England, a tenure in socage, whereby burgesses, citizens, or townsmen hold their lands or tenements of the king or other lord for a certain yearly rent.
• noun In Scotland, that tenure by which the property in royal burghs is held under the crown, proprietors being liable to the (nominal) service of watching and warding; or, as it is commonly termed, “service of burgh, used and wont.” The property so held.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Eng. Law) A tenure by which houses or lands are held of the king or other lord of a borough or city; at a certain yearly rent, or by services relating to trade or handicraft.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a medieval tenure in socage under which property in England and Scotland was held under the king or a lord of a town, and was maintained for a yearly rent or for rendering an inferior service (not knight's service) such as watching and warding.