be owned by; be in the possession of; "This book belongs to me"
be classified with; "The whales belong among the mammals"
be suitable or acceptable; "This student somehow doesn't belong"
be in the right place or situation; "Where do these books belong?"; "Let's put health care where it belongs--under the control of the government"; "Where do these books go?"
any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention
a clear and telling mental image; "he described his mental picture of his assailant"; "he had no clear picture of himself or his world"; "the events left a permanent impression in his mind"
a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)
an ability to understand the meaning or importance of something (or the knowledge acquired as a result); "how you can do that is beyond my comprehension"; "he was famous for his comprehension of American literature"