(informal) Any plant of the family Araceae, found chiefly in the tropics.
1920, Sir Harry Johnston, Mrs. Warren's Daughter Chapter , They made their way slowly to the great Palm House and thence up twisty iron steps to a nook like a tree refuge in New Guinea, among palm boles and extravagant aroid growths.
1997, March 7, Jerry Sullivan, Field & Street, Jack-in-the-pulpit is the only other aroid native to our part of the world.
2000, Anton Ivancic, Vincent Lebot, The Genetics and Breeding of Taro, page 15,The majority of aroids are climbers and epiphytes of tropical rainforests.
