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.
Flaccid. Definition. adjective. (general) Weak; soft; lax; lacking vigor. (botany) Of a plant cell in an isotonic solution such that the plasma membrane is not pressed tightly against the cell wall, and therefore, is neither swollen (turgid) nor plasmolyzed. Flaccid cell. 2  In botany, a flaccid plant cell is one in which the plasma membrane is not pressed tightly against the cell wall. 3  This is observed when the plant cell is placed in an isotonic solution wherein the concentration of solutes in the outside is the same as that in the inside of a plant cell.