pita

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A round flat bread of Middle Eastern origin that can be opened to form a pocket for filling. Also called pocket bread.
2. n. Any of several plants of the genus Agave that yield strong leaf fibers. Also called istle.
3. n. The fiber of any of these plants, used in making cordage and paper.

Century Dictionary and Cyclopedia

1. n. The maguey, Agave Americana, and other species of the genus.
2. n. The fiber derived from Agave leaves. It is of great strength, utilized for cordage, etc., and likely to be of commercial importance. Sometimes called pita-flax, pita-hemp, or pita-thread. The name is applied less properly to the istle-fiber (see istle) and to that of Furcrœa (Fourcroya) gigantea.
3. n. In southern Mexico, Central America, and tropical South America, a name applied to various textile plants and the fiber produced from them: especially applied in the low, moist regions of Mexico and Central America to Karatas Karatas, which yields a strong and durable fiber.

Wiktionary

1. n. A flat bread pouch used for making sandwiches such as gyros or falafels.
2. v. smoke

GNU Webster's 1913

1. n. A fiber obtained from the Agave Americana and other related species, -- used for making cordage and paper. Called also pita fiber, and pita thread.
2. n. The plant which yields the fiber.

WordNet 3.0

1. n. usually small round bread that can open into a pocket for filling