rockslide

rock slide |ˈräkˌslīd ˈrɑkslaɪd | ▶noun an avalanche of rock. • a mass of rock deposited by such an avalanche.

rockslide

rock |slide |ˈrɒkslʌɪd | ▶noun an avalanche of rock or other stony material. • a mass of stony material deposited by a rockslide.