[neyl-bahy-ting] 
| 1. | the act or practice of biting one's fingernails, esp. as the result of anxiety or nervousness. |
| 2. | Informal. nervousness: The announcement that the trade agreement had been signed ended a week of nail-biting on Wall Street. |
| 3. | Informal. causing nervousness: The nail-biting part of the canoe trip was through the stretches of white water. |
| 1. | a person who bites his or her nails, esp. habitually. |
| 2. | a situation marked by anxiety or tension. |
| nail biter also nail·bit·er (nāl'bī'tər) n.
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