Define consonant: the definition of consonant is one of a class of speech sounds that are enunciated by constricting or closing one or more points of the breath channel. Examples include, c, d, n, p, etc. In summary, a consonant is a unit of sound (a letter) in English.

cy: 1. a suffix used to form abstract nouns from adjectives with stems in -t, -te, -tic, and especially -nt ( democracy; accuracy; expediency; stagnancy; lunacy ), and sometimes used to form action nouns ( vacancy; occupancy ).

A definition, not any particular or certain one of a class or group: a man; a chemical; a house. See more.

The indefinite article is the word 'a' or 'an.' It is placed before a noun to define it as something non-specific. Use 'a' before a consonant sound but 'an' before a vowel sound. The indefinite article contrasts with the definite article ('the'), which defines …