expression, ichidan verb
cover with plastic wrap
Used for wrapping food or containers with plastic wrap (cling film). The verb 掛ける here means to place or apply the wrap over something.
See also: 掛ける (かける)
残ったおかずにラップをかけて冷蔵庫に入れた。
I covered the leftover side dish with plastic wrap and put it in the fridge.
ボウルにラップをかけてしばらく置いてください。
Please cover the bowl with plastic wrap and let it sit for a while.