جوف

2 تَجْوِيفٌ تجويف The making [a thing] hollow, or empty in the middle. (KL, PS.) You say, جوّفهُ, inf. n. تَجْوِيفٌ, [ He made it hollow; hollowed it out; ] he made it to have a جَوْف. (Msb.) And of a thing that is مُجَوَّف, (S, K,) i. e. أجْوَف, (S,) you say, فِيهِ تَجْوِيفٌ [ In it is a hollowing out; meaning a hollow, in which sense تجويف has a pl., namely, تَجَاوِيفُ]. (S, K.) ― -b2- See also 1.