Growan

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Growan \Grow"an\, n. [Cf. Arm. grouan gravel, Corn. grow gravel,
     sand.] (Mining.)
     A decomposed granite, forming a mass of gravel, as in tin
     lodes in Cornwall.
     [1913 Webster]