陸りく便びんMeanings1nounsurface mail; land mailRefers to postal mail sent by land or sea, as opposed to airmail (航空便). Commonly used in postal contexts.この荷に物もつは陸りく便びんで送おくります。I'll send this package by surface mail.航こう空くう便びんより陸りく便びんのほうが安やすいです。Surface mail is cheaper than airmail.