| Main Entry: | activity wheel |
| Part of Speech: | n |
| Definition: | a treadmill or wheel on which the exercise of small mammals is measured; also called exercise wheel |
| Example: | The roadrunners readily accepted an activity wheel as an outlet for locomotor activity. |
| Etymology: | 1950 |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
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