This is the 415th most frequent Arabic word.
عشر
"عشر" in Arabic means "ten."
The word 'عشر' is used here to indicate the quantity of ten, preceding a plural noun.
لدي عشر تفاحات.
I have ten apples.
The word 'عشر' is part of the feminine ordinal number referring to the tenth hour.
الساعة الآن العاشرة.
It is now ten o'clock.
The word 'عشر' here forms an ordinal number used to describe the sequence of the floor.