Webster’s Revised Unabridged Dictionary · 1913
Emboîtement
Em′boîte′ment′ (äN′bwȧt′mäN′), n. [F., fr. emboîter to fit in, insert; en in + boîte box.] (Biol.) The hypothesis that all living things proceed from preëxisting germs, and that these encase the germs of all future living things, inclosed one within another. Buffon.