• (1)تعریف: formerly, a child's primer for reading or math, consisting of a page of material covered by a transparent sheet of horn and framed.
• (2)تعریف: a text or primer of basic or elementary skills in a subject.
انگلیسی به انگلیسی
• page containing the alphabet and protected with a translucent piece of horn (formerly used to teach children to read); beginner's textbook, primer (for learning to read)