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Entry 2 senses · 2 variants Webster, 1913

Terrane

· Ter·rane · IPA
01 n. A group of rocks having a common age or origin; -- nearly equivalent to formation, but used somewhat less comprehensively.
  1. 1.
    A group of rocks having a common age or origin; -- nearly equivalent to formation, but used somewhat less comprehensively.(Geol.)
02 n. A region or limited area considered with reference to some special feature; as, the terrane of a river, that is, its drainage basin.
  1. 1.
    A region or limited area considered with reference to some special feature; as, the terrane of a river, that is, its drainage basin.(Geog.)