high centre1
/hʌɪ ˈsɛntə/(US high center) originally and chiefly US
noun
A ridge formed along the centre of a narrow (dirt) road or track as ruts are worn away on either side.
Origin
Early 20th century; earliest use found in Rambler Magazine. From high + centre.
high-centre2
/hʌɪˈsɛntə/(US high-center) originally and chiefly US
verb
1 [no object] Of a driver: to cause the chassis of a vehicle to become stuck on a high centre or (later) uneven ground, or any obstacle, with the wheels raised off the ground or unable to gain traction. Also with the vehicle as subject. Frequently with on. Now also figurative and in figurative context.
2 [with object] To cause (a vehicle) to become stuck on a high centre, uneven ground, or any obstacle, with the wheels raised off the ground or unable to gain traction.
Origin
1940s; earliest use found in Pinedale (Wyoming) Roundup. From high centre.