adj.
1.of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then') spirant n.
1.a continuant consonant produced by breath moving against a narrowing of the vocal tract
Idiom of the Day
take (someone) hostage
to kidnap or seize someone to be a hostage
The bank robbers took several people hostage during the bank robbery.