Whinstone

2 definitions found

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

  Whinstone \Whin"stone"\, n. [Whin + stone; cf. Scot.
     quhynstane.]
     A provincial name given in England to basaltic rocks, and
     applied by miners to other kind of dark-colored unstratified
     rocks which resist the point of the pick. -- for example, to
     masses of chert. Whin-dikes, and whin-sills, are names


     sometimes given to veins or beds of basalt.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  whinstone
       n : any of various hard colored rocks (especially rocks
           consisting of chert or basalt) [syn: {whin}]