/al"euh veuhn/ , n. Ichthyol.
a fry, esp. a salmon, whose yolk is depleted.
[ 1865-70; allevamen, equiv. to L alleva ( re ) to lift up, raise (prob. in VL: to bring up, rear; al- AL- + levare to raise; see LEVER) + -men resultative n. suffix; cf. It dial. alvam calf ]