マツ 
() rub () rub out
 
まっさつ (n,vs) erasure, denial, obliteration, ignoring (an opinion)
まっしょう (n,vs) erasure, delete (e.g. DEL character)
まっちゃ (n) powdered green tea for ceremonies

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字