noun

an outer garment with sleeves, worn outdoors and typically extending below the hips.

a winter coat

overcoat,tunic

verb

provide with a layer or covering of something.

her right leg was coated in plaster

cover,overlay,paint,glaze,varnish,wash,surface,veneer,inlay,laminate,plate,blanket,mantle,daub,smear,bedaub,cake,plaster,overspread,encrust,face,besmear