２ＷＡＹalso: ツーウエイMeanings1noun-modifying (irregular)two-wayPrenominal modifier used in compound terms like ２ＷＡＹバッグ (two-way bag) or ２ＷＡＹスピーカー (two-way speaker).この２ＷＡＹバッグはショルダーにもリュックにもなる。This two-way bag can be used as a shoulder bag or a backpack.
