Englishfor English speakers
a
Determinative
—
A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
—
A is the first letter of the alphabet.
The letter "a" comes before "b".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
notch
—
verb
cut or make a notch into
notch the rope
—
noun
a V-shaped indentation
mandibular notch
—
noun
a small cut
—
noun
a V-shaped or U-shaped indentation carved or scratched into a surface
there were four notches in the handle of his revolver
—
verb
notch a surface to record something
—
noun
(= pass)
the location in a range of mountains of a geological formation that is lower than the surrounding peaks
we got through the pass before it started to snow
below
Preposition
—
At a lower position