Definitions
1.NounA sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel.
2.NounA letter representing the sound of a consonant.
3.AdjectiveConsistent, harmonious, compatible, or in agreement.
4.AdjectiveHaving the same sound.
5.AdjectiveHarmonizing together; accordant."consonant tones; consonant chords"
6.AdjectiveOf or relating to consonants; made up of, or containing many, consonants.