← Back to browsetunnelingverb#40,279Translationsトンネル効果トンネルこうかトンネリングトンネリングトンネルトンネル横穴よこあなEnglish definitiona passageway through or under something, usually underground (especially one for trains or cars)ExamplesNo examples yet.Similar wordstunnellingtunnelfunnelingtunnelstunningtunneled← hiroyukitase →