(astronomy) the angular distance of a celestial body north or south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere
a seizure (or a type of epilepsy characterized by such seizures) of short duration characterized by momentary unconsciousness and local muscle spasms or twitching
some situation or event that is thought about; "he kept drifting off the topic"; "he had been thinking about the subject for several years"; "it is a matter for the police"
a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
fall heavily or suddenly; decline markedly; "The real estate market fell off"
fall or sink heavily; "He slumped onto the couch"; "My spirits sank"