This is the 2108th most frequent Arabic word.
حجر
Stone.
Here, 'حجر' (hijr) is used to signify the lap or the area on the thighs when sitting.
وضعت الأم طفلاً على الحجر.
The mother put the child on her lap.
In this sentence, 'حجر' (hajar) refers to stone as a material used in construction.
يبني العمال جداراً من الحجر.
The workers are building a wall from stone.
Here, 'حجر' (hajr) denotes quarantine, signifying restriction or isolation for health purposes.