Meaning

noun a band that fits around the neck and is usually folded over

noun (zoology) an encircling band or marking around the neck of any animal

noun anything worn or placed about the neck

originFrom Middle English coler, borrowed from Old French coler (Modern French collier), from Late Latin collāre, from Latin collāris, from collum (“neck”). Cognate with Gothic 𐌷𐌰𐌻𐍃 (hals, “neck”), Old English heals (“neck”). Compare Spanish cuello (“neck”). More at halse. Doublet of collet.

Etymology from Wiktionary, CC BY-SA 3.0