elephant's foot

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el·e·phant's foot

(ĕl′ə-fənts)
n. pl. elephant's foots
1. An African species of yam (Dioscorea elephantipes) having unusual clusters of tubers that grow above the ground.
2. Any of several plants of the genus Elephantopus in the composite family, having small purplish flowers and sometimes a basal rosette of large leaves.
References in periodicals archive ?
And he thought that elephant-foot chair would make up for it.
The elephant-foot outward buckling was observed at the bottom of the tank shell, just above its joint with the base plate.