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.
placket. 1  the opening or slit at the top of a skirt, or in a dress or blouse, that facilitates putting it on and taking it off. 2  a pocket, especially one in a woman's skirt. 3  Archaic. a petticoat. a woman.