barrier

1. (Fort.) A carpentry obstruction, stockade, or other obstacle made in a passage in order to stop an enemy. 2. A fortress or fortified town, on the frontier of a country, commanding an avenue of approach. 3. pl. A fence or railing to mark the limits of a place, or to keep back a crowd. No sooner were the barriers opened, than he paced into the lists. Sir W. Scott. 4. An any obstruction; anything which hinders approach or attack. "Constitutional barriers." Hopkinson. 5. Any limit or boundary; a line of separation. 'Twixt that [instinct] and reason, what a nice barrier ! Pope. Barrier gate, a heavy gate to close the opening through a barrier. -- Barrier reef, a form of coral reef which runs in the general direction of the shore, and incloses a lagoon channel more or less extensive. -- To fight at barriers, to fight with a barrier between, as a martial exercise. [Obs.]

Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.