Definition of 第一 (だいいち)
だいいち
                        第一
だいいち
daiichi
Common word
no-adjective, noun
1.
first, foremost, number one
2.
most important
3.
best, greatest, most
adverb
4.
above all, besides, in any case, to begin with
Other readings:
                第1【だいいち】
                Related Kanji
| 第 | No., residence | 
| 一 | one, one radical (no.1) |