A straddle is any set of offsetting positions on personal property. One example, is a put and call option on the same number of shares of a particular security, with the same exercise price and expiration date.
Definition of flack for English Language Learners. : a person whose job is to make people like or be interested in someone or something.
Medical Definition of flask. : a container often somewhat narrowed toward the outlet and often fitted with a closure: asa: any of various usually blown-glass vessels used for technical purposes in a laboratoryb: a metal container in which the materials used to form a dental restoration (as a denture) are processed.