(Judaism) A small, informal synagogue or shul.

Alternative spelling of whoop-de-doo

(ecology) A dynamical system which returns to a trajectory, as opposed to a system which returns to a particular state, which is termed homeostasis

an administrative region of the Philippines that consists of four provinces (Cebu, Bohol, Negros Oriental, and Siquijor) and three highly urbanized cities (Cebu City, Lapu-Lapu, and Mandaue).