Real Dictionary

consonant
Something that is consonant with something else fits or agrees with it very well.
countable noun: A consonant is a sound such as ' p', ' f', 'n', or ' t' which you pronounce by stopping the air flowing freely through your mouth. Compare vowel.

consonant in American English
any speech sound in the production of which the speaker completely stops and then releases the air stream, as in (p, t, k, b, d, g), stops it at one point while it escapes at another, as in (m, n, ŋ, l, r), forces it through a loosely closed or very narro
in harmony or agreement; in accord
adjective: in agreement; agreeable; in accord; consistent
noun: a speech sound produced by occluding with or without releasing (p, b; t, d; k, g), diverting (m, n, ng), or obstructing (f, v; s, z, etc.) the flow of air from the lungs (opposed to vowel)

consonant in British English
adjective: consistent; in agreement
noun: a speech sound or letter of the alphabet other than a vowel; a stop, fricative, or continuant