Hollow box Synonyms

Hollow replaced

Definitions for Hollow


  • (adjective) curved inward
  • (noun) a sunken area forming a separate space
  • (noun) an area of lowland between hills or mountains

Synonyms for phrase

HB abbreviation

HB is an abbreviation for Hollow Box
What does HB stand for?
HB stands for "Hollow Box"

Box replaced

Definitions for Box


  • (noun) a covered rectangular container for storing or transporting things
  • (noun) a boxlike container for holding a dead body
  • (noun) an electronic device with a screen and speakers that reproduces images and sound