avocado UK /ˌævəˈkɑːdəʊ/US /ˌɑvəˈkɑdoʊ/noun 3adjective 1forms 3 noun3 •The large, usually yellowish-green or black, savory fruit of the avocado tree. •A dark chartreuse color, like the color of the skin of an avocado.It was exactly the same as my bathroom. Same cork floor, same avocado bathroom set. — 2016 •The avocado tree, Persea americana, of the laurel family. adjective1 •Of a dull yellowish-green colour. formsavocadi · avocadoes · avocados