Meaning of 積む in Japanese

Definition of 積む

つむ(tsumu) 【積む】

(v5m) to pile up; to stack; to load (car, ship, etc.); to pack
その船は武器をいっぱいに積んでいた。
The ship was stowed with arms.

たばねつむ(tabanetsumu) 【束ね積む】

キャリアをつむ(kyariawotsumu) 【キャリアを積む】

And so the method that works is treading down the snow to harden it, making blocks and piling them up.

一隻いっせきの船ふねに全部ぜんぶを積むつむ冒険ぼうけんをするな。

Don't risk putting everything in one boat.