| rat | pit viper with horny segments at the end of the tail that rattle when shaken |
|---|---|
| rat | American fern whose clustered sporangia resemble a snake's rattle |
| rat | coarse prickly perennial eryngo of United States thought to cure rattlesnake bite |
| rat | any of various orchids of the genus Pholidota having numerous white to brown flowers in spiraling racemes clothed in slightly inflated bracts and resembling a rattlesnake's tail |
| rat | any of several small temperate and tropical orchids having mottled or striped leaves and spikes of small yellowish-white flowers in a twisted raceme |
| rat | a plant of the genus Nabalus |
| rat | herb of central and southern Europe having purple florets |
| rat | a hawkweed with a rosette of purple-veined basal leaves |
| rat | coarse prickly perennial eryngo of United States thought to cure rattlesnake bite |
| rat | North American bugbane found from Main and Ontario to Wisconsin and south to Georgia |
| rat | a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders) |
| rat | quick and energetic |