textbookDict.lkDict.lk - Sinhala to English DictionaryMeaning textbook Tweet Sinhala Dictionary definitions for textbooktextbook 🔊 /tɛˈkstbʊˌk/textbook : පාඨ ග්රන්ථයLern More AboutWiki Definition: textbookGoogle Search result: GoogleWiki Article: Wikipedia Tweet