Mid 17th century; earliest use found in Richard Vines (d. 1656), Church of England clergyman. From classical Latin pulsant-, pulsāns, present participle of pulsārepulsate; compare -ant. Compare French pulsant, Italian pulsante.
Definition of pulsant in US English:
pulsant
adjectiveˈpʌlsnt
literary
Pulsating.
Origin
Mid 17th century; earliest use found in Richard Vines (d. 1656), Church of England clergyman. From classical Latin pulsant-, pulsāns, present participle of pulsāre pulsate; compare -ant. Compare French pulsant, Italian pulsante.