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.
Mari
—
noun
(= Cheremis)
a member of a rural Finnish people living in eastern Russia
—
noun
(= Cheremis)
the Finnic language spoken by the Cheremis
usque
noun
—
(obsolete) whisky
AD
Abbreviation
—
AD is short for the Latin words anno Domini, which means in the year of our Lord. You use AD to refer to a date after the year in which Jesus Christ is believed to have been born.
The Romans started building the Colosseum in 70 AD.
ad
Noun
—
A short way of saying advertisement.
I saw an ad in the newspaper for a job at the factory.
mare
Noun
—
A mare is a female horse.
We are mating our stallion with our mare.