1. continuant - Noun
2. continuant - Adjective
3. continuant - Adjective Satellite
Continuing; prolonged; sustained; as, a continuant sound.
A continuant sound; a letter whose sound may be prolonged.
Source: Webster's dictionaryThe Merciful Beholding of His Countenance of love fulfilled all earth and descended down with Adam into hell, with which continuant pity Adam was kept from endless death. And thus Mercy and Pity dwelleth with mankind unto the time we come up into Heaven. Julian of Norwich
Thus 'b' and 'd' can rhyme (both being 'voiced plosives'), as can 'bh' and 'l' (which are both 'voiced continuants') but 'l', a 'voiced continuant', cannot rhyme with 'ph', a 'voiceless continuant'. Source: Internet