This is the verse translation, not a definition of the individual word.
Indeed, those who consume the orphans’ property unjustly, only consume fire into their bellies[1], and they will burn in a Blazing Fire.
Source
[1] The Prophet (ﷺ) said: “Beware of the seven most cardinal sins: And among them he mentioned consuming an orphan’s property”. [Al-Bukhārī, 6857; Muslim, 89]