Submitted by György Chityil ... on Fri, 01/19/2018 - 23:31 Hierarchy: NounDescription: {{ecology|usually|uncountable}} Plant material that falls to the ground, such as leaves from trees.Ngram: litterfallNgram Text: litterfallSource: WiktionaryIssue: 0Wiktionary tag: ecologyNgram Count: 1