belonging to or on or near the back or upper surface of an animal or organ or part; "the dorsal fin is the vertical fin on the back of a fish and certain marine mammals"
bearing a stress or accent; "an iambic foot consists of an unstressed syllable followed by a stressed syllable as in `delay'"
suffering severe physical strain or distress; "he dropped out of the race, clearly distressed and having difficulty breathing"; "the victim was in a bad way and needed immediate attention"
move to and fro; "The shy student lingered in the corner"
be undecided about something; waver between conflicting positions or courses of action; "He oscillates between accepting the new position and retirement"