Definition of subastringent in US English:

subastringent

noun

rare
  • Especially in herbal medicine: a plant or substance with slightly astringent properties.

adjective

rare
  • Especially in herbal medicine: somewhat astringent.

Origin

Mid 17th century; earliest use found in Robert Lovell (?1630–1690), naturalist. From sub- + astringent.

Pronunciation

subastringent

/ˌsʌbəˈstrɪn(d)ʒ(ə)nt/