singular
Pronunciation: /ˈsɪŋgjʊlə/
adjective
- 1 Grammar (of a word or form) denoting or referring to just one person or thing: the third person singular form of the verb
- single; unique: she always thought of herself as singular, as his only daughter

Origin:
Middle English (in the sense 'solitary, single', also 'beyond the average'): from Old French singuler, from Latin singularis, from singulus (see single)

Grammar
One of the two numbers in English, singular and plural. Nouns, pronouns, and verbs can change according to whether they are singular or plural.