"Wikipedia:Apron"^^ . "Geonames:U.APNU"^^ . "FTT:122"^^ . "EcoLexicon:apron"^^ . "apron (geological)"^^ . "TGN:23187"^^ . "ENVO:00000530"^^ . "ENVO"^^ . "undersea apron"^^ . . "apron"^^ . "apron"^^ . "archipelago apron"^^ . "A gentle slope, with a generally smooth surface, particularly found around groups of islands and seamounts."^^ . .