せぶみ【瀬踏み】 ¶瀬踏みをする　 <やってみる> try; ｛口語｝ have a try [go] at doing; <探りを入れる> sound a person (out) on a subject; ｛米｝ send up a trial balloon /瀬踏みに　 <試しに> as [by way of] a trial; <探りとして> as [by way of] a feeler [｛米｝ trial balloon] ‖彼はその会社の社長に商談の瀬踏みをした.　 He sounded out the company's CEO on a business deal.