Bible Dictionaries
Text-Book

Webster's Dictionary

(1):

(n.) A book with wide spaces between the lines, to give room for notes.

(2):

(n.) A volume, as of some classical author, on which a teacher lectures or comments; hence, any manual of instruction; a schoolbook.

Bibliography Information
Webster, Noah. Entry for 'Text-Book'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/text-book.html. 1828.