Utiliser "quadrilateral" dans une phrase

1. It was a tetrahedral pyramid, not quadrilateral

2. I threw the shoes over a wall as soon as I got out of the college quadrilateral this morning; and the algebra I am happily forgetting very fast—I liked Cicero—Yes, I think Cicero's fine—so simultaneous

3. , lugger, a two- or three-masted vessel, with quadrilateral sails hung upon yards fixed obliquely to the masts at about one-third of their length