moving, directed, or situated toward the west: the westerly end of the field.
(especially of a wind) coming from the west: a westerly gale.
toward the west: to escape westerly.
from the west: a sharp wind blowing westerly.
noun, plural westerlies. 5.
a wind that blows from the west: an occasional westerly that pommeled the island.
westerlies, (used with a plural verb) any semipermanent belt of westerly winds, especially those that prevail at latitudes lying between the tropical and polar regions of the earth.
Origin: 1570–80; west Related forms
as in easterly