1a fast-growing tropical American tree, typically among the first to colonize a cleared area. Many cecropias have a symbiotic relationship with ants.
- Genus Cecropia, family Cecropiaceae
2 (also cecropia moth) a very large North American silkworm moth with boldly marked reddish-brown wings. The caterpillars feed on a variety of forest trees.
- Hyalophora cecropia, family Saturniidae