subsoiler From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA type of plough that loosens the subsoil. Related wordsSynonymsmole ploughundercutterploughmole plowplow soletrench-ploughplowscarifierplowsolecultivatortrench-plowsoddershimlistertiltherbroadshare References Wiktionary — subsoiler Wikipedia — subsoiler