tripod : Idioms & Phrases
camera tripod
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noun a tripod used to support a camera
WordNet
Tripod of life , ∨ Vital tripod
(Physiol.) , the three organs, the heart, lungs, and brain; so called because their united action is necessary to the maintenance of life.
Webster 1913
Vital tripod
- .
(Physiol.) See underTripod .