† bubble footn.rareObsolete any of various insects of the order Thysanoptera, which typically have a bladder-like arolium on the tarsus; a thrip (see Thripsn. a).
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1904 Amer. Inventor 1 June 244/3 Among the large number of insects for the extermination of which the use of the extract..has proved completely successful are mentioned the so-called ‘bubble feet’.