how-to I. \ˈ ̷ ̷|tü\adjective Etymology: from how to in phrases like how to make a birdhouse : giving practical instruction and advice (as on a craft, trade, hobby) < publishing paperbound books, mostly of a how-to nature — Publisher's Weekly > < the magazine has a regular how-to section > II. noun (pluralhow-tosorhow-to's) : a practical method or instruction ; also : something (as a book) that provides such instruction