noun,pluraltran·chets[trahn-sheyz; French trahn-she]/trɑnˈʃeɪz; French trɑ̃ˈʃɛ/. Archaeology.
a stone implement with a horizontal, chisellike cutting edge, found at Mesolithic and Neolithic sites in macrolithic form, used as an adz, and in microlithic form, often mounted as the cutting head of an arrow.
