Definition of versin in English:

versin

(also versine)

noun

Mathematics
  • another term for versed sine
    • ‘He also introduced the versine into trigonometry.’
    • ‘The versine is related to the sine by the formula versin x = 1-cos x.’

Origin

Early 19th century: abbreviation.

Pronunciation:

versin

/ˈvəːsɪn/