/in'jeuh nooh"i tee, -nyooh"-/ , n. , pl. ingenuities for 3.
1. the quality of being cleverly inventive or resourceful; inventiveness: a designer of great ingenuity.
2. cleverness or skillfulness of conception or design: a device of great ingenuity.
3. an ingenious contrivance or device.
4. Obs. ingenuousness.
[ 1590-1600; ingenuitas innate virtue, etc. (see INGENUOUS, -ITY); current senses by assoc. with INGENIOUS ]