A mode of teaching in which objects themselves are made the subject of lessons, tending to the development of the observing and reasoning powers. See object-lesson.(noun)
The Century Dictionary (Public Domain)
Use "object-teaching" in a sentence
"It is evident, moreover, that no progress could be made through object-teaching, unless the question and answer method is used in conjunction."
"Father Joseph treated the Indians altogether as children, and devised a system of object-teaching, making little images representing what they were to shun, and what to seek, to which he pointed in instructing them."
"Hers was one of the first books which pursued object-teaching as the true method and made original observation the basis of investigation."