/ trænˈspaɪə(r); NAmE / verb ( formal )
1.
[ v that ] (not usually used in the progressive tenses) if it transpires that sth has happened or is true, it is known or has been shown to be true :
It transpired that the gang had had a contact inside the bank.
This story, it later transpired, was untrue.
2.
[ v ] to happen :
You're meeting him tomorrow? Let me know what transpires.
3.
[ v , vn ] ( biology ) when plants or leaves transpire , water passes out from their surface
••
WORD ORIGIN
late Middle English (in the sense emit as vapour through the surface ): from French transpirer or medieval Latin transpirare , from Latin trans- through + spirare breathe. Senses 1 and 2 (mid 18th cent.) are figurative uses comparable with “leak out”.