1. (Material Noun-Neuter) a space where something or somebody supposed to be there is missing

English: gap, hole, lacuna,
Assamese: ফাঁক, ভংলা _bo ,
Bodo: गब्लं,
Karbi: angkep,
Dimasa: hato

Related Idea:

a. Material Noun-Neuter: aperture, cavity, chink, hole, nick...