noun, noun or participle which takes 'suru', transitive verb
loading on top; upper load; deck cargo
Refers to goods or cargo placed on top of something else, especially in shipping or transport contexts. Can also be used as a suru-verb meaning to load something on top.
トラックの荷台に上積みする。
Load goods on top of the truck bed.
上積みの荷物が落ちないように固定
Please secure the upper load so it doesn't fall.
noun, noun or participle which takes 'suru', transitive verb
adding on top; additional amount; increase
Used for adding an extra amount, quantity, or value on top of an existing base, often in business, budgeting, or negotiations. The suru-verb form means to add something extra.
予算にさらに上積みを要求する。
Demand an additional amount on top of the budget.
給料に上積みしてボーナスを出す。
Add a bonus on top of the salary.