0 a tall evergreen tree (= one that never loses its leaves) that grows in cold countries and has leaves that are like needles
Left to themselves, the firs are soon displaced by the beech.
The forests are immense, mostly of firs and birch, which being thickly set grow small.
The pines and firs which surround it add a great charm to the outlook, and the cool mountain breeze is charged with very pleasing odors.
This was the winter after our first memorable venture in selling Christmas trees in the city, when we had left the two large firs that we could not sell on the steps of two churches.
The fir st term on the right-hand side of (26), representing spatial disper sion, leads to diffractional divergence in the absence of nonlinear terms.
The fir st of these terms is exclusively responsible for instability in our canonical problem (see below).
The belt of coniferous forest is dominated by evergreen pine, spruce, larch and fir trees.