both hands; both arms
ten
「両手」 has another reading with different meanings.
both hands
両手で大きな箱を抱えて運んだ。
I carried a large box holding it with both hands.
子供が両手を広げて走ってきた。
The child came running with both arms spread wide.
両手がふさがっていてドアが開けられない。
My hands are full and I can't open the door.