mac·ro·za·mia \ˌmakrōˈzāmēə\noun Etymology: New Latin, from macr- + Greek (Doric dialect) zamia loss (Attic zēmia) 1.capitalized: a genus of Australian cycads with erect trunks, pinnate leaves, large cones, and in some forms edible nuts 2.-s: any tree of the genus Macrozamia