any of numerous conifers of the genus Larix all having deciduous needlelike leaves
<noun.plant>
Larch \Larch\ (l[aum]rch), n. [Cf. OE. larege (Cotgrave), It. larice, Sp. larice, alerce, G. l["a]rche; all fr. L. larix, -icis, Gr. la`rix.] (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 {Larix Americana}, the hackmatack or tamarack. The trees are generally of a drooping, graceful appearance.
The average building is four storeys tall, with flowers spilling over the balconies, and built of larch, wood which starts out honey-coloured and after 20 years turns black.
When Tokyo is unbearably hot and steamy, Karuizawa is blissfully cool, and many Tokyoites have second homes there, designer villas hidden away in the larch woods around the town. The train that day was completely packed.