Source : Webster's Revised Unabridged Dictionary (1913)

Larch \Larch\, n. [Cf. OE. larege (Cotgrave), It. larice, Sp.
   larice, alerce, G. l["a]rche; all fr. L. larix, -icis, Gr.
   (?).] (Bot.)
   A genus of coniferous trees, having deciduous leaves, in
   fascicles (see Illust. of {Fascicle}).

   Note: The European larch is {Larix Europ[ae]a}. The American
         or black larch is {L. Americana}, the hackmatack or
         tamarack. The trees are generally of a drooping,
         graceful appearance.