1

Noun 1 has 1 sense

• 1(n = noun.quantity) ace, i, one, single, unity - the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one"
is a kind of digit, figure
has particulars: monad, monas, singleton

Adjective 1 has 1 sense

• 1(s = adj.all) ane, i, one - used of a single unit or thing; not two or more; "`ane' is Scottish"