noun
A row of cut grain or hay allowed to dry in a field.
A line of leaves etc heaped up by the wind.
A similar streak of seaweed etc on the surface of the sea formed by Langmuir circulation.
A line of gravel left behind by the edge of a grader’s blade.
(Canada) A line of snow left behind by the edge of a snowplow’s blade.
(UK) The green border of a field, dug up in order to carry the earth onto other land to improve it.
verb
(transitive) To arrange (e.g. new-made hay) in lines or windrows.