Found 2 items, similar to Barrier reef.
English → English (WordNet) Definition: barrier reef barrier reef n : a long coral reef near and parallel to the shore
English → English (gcide) Definition: Barrier reef Barrier \Bar"ri*er\, n. [OE. barrere, barere, F. barri[`e]re, fr. barre bar. See Bar, n.] 1. (Fort.) A carpentry obstruction, stockade, or other obstacle made in a passage in order to stop an enemy. [1913 Webster] 2. A fortress or fortified town, on the frontier of a country, commanding an avenue of approach. [1913 Webster] 3. pl. A fence or railing to mark the limits of a place, or to keep back a crowd. [1913 Webster] No sooner were the barriers opened, than he paced into the lists. --Sir W. Scott. [1913 Webster] 4. Any obstruction; anything which hinders approach or attack. “Constitutional barriers.” --Hopkinson. [1913 Webster] 5. Any limit or boundary; a line of separation. [1913 Webster] 'Twixt that [instinct] and reason, what a nice barrier! --Pope. [1913 Webster] 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.] [1913 Webster] ||