The Collaborative International Dictionary of English v.0.48:
Tangle \Tan"gle\, n.
1. [Cf. Icel. [thorn]["o]ngull. See Tang seaweed.] (Bot.)
Any large blackish seaweed, especially the Laminaria
saccharina. See Kelp.
Coral and sea fan and tangle, the blooms and the
palms of the ocean. --C. Kingsley.
2. [From Tangle, v.] A knot of threads, or other thing,
united confusedly, or so interwoven as not to be easily
disengaged; a snarl; as, hair or yarn in tangles; a tangle
of vines and briers. Used also figuratively.
3. pl. An instrument consisting essentially of an iron bar to
which are attached swabs, or bundles of frayed rope, or
other similar substances, -- used to capture starfishes,
sea urchins, and other similar creatures living at the
bottom of the sea.
Blue tangle. (Bot.)See Dangleberry.
Tangle picker (Zool.), the turnstone. [Prov. Eng.]