creux
hollow (having an internal cavity)
Le tronc de cet arbre est creux ; on pourrait y cacher quelque chose.
The trunk of that tree is hollow; you could hide something in it.
hollow, empty (lacking substance or sincerity)
Ses promesses sonnent creux : il n'a jamais tenu parole.
His promises sound hollow; he never followed through.
hollow, hollowed place; indentation (physical dip or concavity)
Le creux de sa main contenait quelques pièces.
The hollow of his hand held a few coins.
lull, dip (period of reduced activity or traffic)
Il y a souvent un creux entre midi et deux dans ce quartier, les boutiques sont calmes.
There is often a lull between noon and two in this area; the shops are quiet.
a pang of hunger; feeling a bit hungry
J'ai un creux, on prend quelque chose à grignoter ?
I'm a bit peckish; shall we get something to eat?
