legroom

Từ điển Oxford Advanced Learner 8th

leg·room [legroom] BrE [ˈleɡruːm] NAmE [ˈleɡruːm] BrE [ˈleɡrʊm] NAmE [ˈleɡrʊm] noun uncountable
the amount of space available for your legs when you are sitting in a car, plane, theatre, etc
•There's not much legroom in the front of the car.

Example Bank:
•The seats are comfortable, but there's very little legroom.