"skim" en el diccionario Inglés-Español

skim

a vt

1  [+milk] desnatar, descremar
[+soup, liquid] espumar
to skim the cream off the milk  quitar la nata a la leche, desnatar la leche
skimmed milk  leche f descremada or desnatada

2 (=graze)
[+surface] rozar
to skim the ground [plane, bird etc] volar a ras de la tierra

3 [+stone] hacer cabrillas con, hacer el salto de la rana con

4 (fig)
[+subject] tratar superficialmente

b  vi
to skim across/along the ground  pasar rozando la tierra
to skim through a book   (fig) echar una ojeada or hojear a un libro

▲ skim off vt + adv
[+cream, grease] desnatar
they skimmed off the brightest pupils separaron a la flor y nata de los alumnos