0 a seat on a train, aircraft, or other vehicle, especially a public one, that is next to a window --
The jambs are splayed and there are deep window seats.
This produced draughts and reduced passenger legroom in the window seats.
The "coussiges" (window seats) would have been occupied by those keeping a watch over the comings and goings.
Within the bookshop it works like a long gallery with window seats opposite shelves to encourage browsing.
On the landing, partway up the staircase, was the circular-headed window that looked out upon the garden and the city, with a broad and capacious window seat.
Though unable to get an upgrade, the clerk was able to get her a window seat near the emergency exit with plenty of leg room.
Every possible view had an alcove, and every alcove had a window seat.
The original staircase has been retained, along with dados, and a built-in window seat with chests of draws.