Definition of 三枚 (さんまい)
さんまい
                        三枚
さんまい
sanmai
Common word
noun
1.
three flat objects (sheets of paper, pieces of cloth, etc.)
See also:枚 (まい)
2.
cutting a fish into two boneless fillets and a piece with the skeleton(only relevant for 三枚)
Other readings:
                3枚【さんまい】
                Related Kanji
| 三 | three | 
| 枚 | sheet of..., counter for flat thin objects or sheets |