移動中的窗邊位
窗戶在旁邊，而且景色會動——這是核心畫面被放進交通工具裡的版本。
noun · A2
A seat next to the window on a plane, bus, train, or other vehicle, so that the person sitting there can look out at what goes past.
靠窗座位
核心畫面
Picture a place to sit whose whole point is the window beside it. The chair itself does not matter much; what matters is that when you sit down, the outside is right there. On a plane or a bus the view slides past you. In a room the view stays still and you stay with it. Same two words, and the room you are in tells you which one someone means.
可以想成「一個位子，重點在旁邊那扇窗」。椅子長什麼樣不重要，重要的是坐下去就看得到外面。在飛機或公車上，窗外的景色一…更多收起
可以想成「一個位子，重點在旁邊那扇窗」。椅子長什麼樣不重要，重要的是坐下去就看得到外面。在飛機或公車上，窗外的景色一直往後跑。在房子裡，景色不動，是你待著不動。兩個意思用的是同樣兩個字，靠場景就分得出來。From the word’s history
Wiktionary records the compound simply as window + seat.
維基詞典把這個詞記成 window + seat，就是字面上的「窗＋座位」，兩個用法都貼著這個字面走。
Wiktionary entry for window seat, etymology_text: From window + seat (packet source_ref kaikki:3f6f69a190036ae4:1529660888:4553)
Two branches
房子裡的窗下長椅
一樣是「窗邊的位子」，只是這次不動的是景色，你可以待上一整個下午。
noun · B2
A seat built into the wall directly under a window inside a building, set back in the space of the window and often covered with a soft cushion.
窗邊座椅