fricative consonant

English Thesaurus

1. a continuant consonant produced by breath moving against a narrowing of the vocal tract (noun.communication)

hypernym	:	continuant, continuant consonant,
definition	:	consonant articulated by constricting (but not closing) the vocal tract (noun.communication)

hyponym	:	sibilant, sibilant consonant,
definition	:	a consonant characterized by a hissing sound (like s or sh) (noun.communication)