投(とう)函(かん)した (tōkan shita)) to post a letter, to mail a letter Conjugation of "<span class="searchmatch">投函</span>する" (See Appendix:Japanese verbs) ^ NHK Broadcasting Culture Research Institute...
kanji) a box-shaped receptacle, e.g. a coin bank or letter box (e.g. 銭函, <span class="searchmatch">投函</span>する) to insert [into a container] (cf. 入れる, 容れる) a suit of armor (more commonly...
【<span class="searchmatch">投函</span>】 [noun] posting a letter [verb] to post a letter, to mail a letter...