avalanche noun

1 large amount of snow falling

AVALANCHE + VERB happen, strike sth The avalanche struck the ski resort in the late afternoon. | engulf sb/sth | kill sb They were killed by an avalanche in the Swiss Alps.

PREP. in an/the ~ They died in an avalanche.

2 large number/amount of sth

VERB + AVALANCHE be buried under

AVALANCHE + VERB engulf sth the avalanche of lawlessness threatening to engulf our civilization

PREP. ~ of We've been almost buried under the avalanche of mail.