AnalyzerSentence analysis2SpansSentenceヘッドマスター1000 character limitAnalyzeSentenceヘッドマスターSpan Detailsヘッドheadnounマスターmaster a skill; learn thoroughly; owner; manager; barkeeper; leader; chief; head; master's degree; Master of Arts or Science; master recording; original recording; master device; controlling unit; master data; master file; master tablesuru verb, noun