This is the 1771st most frequent Japanese word.
串
"Skewer" or "kebab stick."
In this sentence, "串" refers to the wooden stick used for skewering food items, specifically yakitori (grilled chicken skewers).
彼は焼き鳥の串を注文した。
He ordered a skewer of yakitori.
Here, "串" is used to describe the tool employed for cooking or holding food over a fire during a camping activity.
公園で串を使ってキャンプファイヤーを楽しんだ。
We enjoyed a campfire using skewers at the park.
In this figurative usage, "串" is part of a phrase meaning "pierced through," expressing a metaphorical sharpness or deep impact upon one's ideas.