witchettyPronunciation: /ˈwɪtʃɪti/ (also witchetty grub)Definition of witchetty noun (plural witchetties) a large whitish wood-eating larva of a beetle or moth, eaten by some Aborigines. Origin:from Adnyamathanha wityu 'hooked stick (for extracting grubs)' + varti 'grub'