gruma
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
Latin > English (Lewis & Short)
grūma: and grūmātĭcus, v. grom-.
Latin > French (Gaffiot 2016)
grūma (grō-), æ, f. (γνώμων), alidade [instrument d’arpentage] : P. Fest. 96, 15