McDougall Mc·Dou·gall (mək-d&oomacr;'gəl), William. 1871-1938.
British-born American psychologist who theorized that human behavior is determined by both instinctive and intentional strivings.
| a chattering or flighty, light-headed person. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |