n. 1. State of being entangled; intricate and confused involution; that which entangles; intricacy; perplexity. [ 1913 Webster ]
2. (Mil.) An extensive low obstacle formed of stakes, stumps, or the like, connected by wires, ropes, or the like. [ Webster 1913 Suppl. ]
3. (Naut.) An obstruction of cables and spars across a river or harbor entrance. [ Webster 1913 Suppl. ]