"The mesosoma of a hymenopterous insect, especially an ant, consisting of the thorax and the propodeum fused together", Early 19th cent.; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From classical Latin āla wing + trunk after French tronc alifère.
"A kind of ornamental glass in which a number of glass rods of different sizes and colours are fused together and cut into sections which form various patterns, typically embedded in colourless transparent glass to make items such as paperweights", Mid 19th century: from Italian millefiore, literally 'a thousand flowers'.