Definition of rehypothecation in US English:

rehypothecation

noun

US
Finance
  • The pledging of securities held in brokers' client accounts as collateral, usually for buying further securities.

Origin

Late 19th century; earliest use found in The Titusville Morning Herald. From re- + hypothecation, after rehypothecate.

Pronunciation

rehypothecation

/ˌriːhʌɪˌpɒθɪˈkeɪʃn/