| 1. | a person or thing that loops something or forms loops. |
| 2. | a measuringworm. |
| 3. | the thread holder in a sewing machine using two threads. |
| 4. | Baseball. blooper (def. 3a). |
| 1. | Informal. an embarrassing mistake, as one spoken over the radio or TV. |
| 2. | Radio. a receiving set that generates from its antenna radio-frequency signals that interfere with other nearby receivers. |
| 3. | Also, bloop. Baseball.
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loop·er (lōō'pər) n.
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| meas·ur·ing worm (mězh'ə-rĭng) n. A geometrid caterpillar that moves in alternate contractions and expansions suggestive of measuring. Also called inchworm, looper, spanworm. |