легковооруженный
ferentarius [a, um];
водоросль
alga [ae, f];
кожаный
cuticularis [e]; pelliceus
peritissimus [i, m]; expertus [i, m]; homo [inis, m] peritus, gnarus,sciens, intelligens; existimator [oris, m]; cognitor [oris, m], cognoscens, sciens, ntis, m;