Lin, n. [Ir. linn, or Gael. linne; akin to W. llyn a pool, pond, lake, but in senses 2 and 3 prob. from AS. hlynn torrent. Cf. Dunlin.] 1. A pool or collection of water, particularly one above or below a fall of water.
2. A waterfall, or cataract; as, a roaring lin.
3. A steep ravine.
☞ Written also linn and lyn.