ˌäzmənˈdāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Osmunda, type genus + -aceae
: a large family of widely distributed ferns with naked sori and brightly stalked annulate sporangia that open longitudinally
• os·mun·da·ceous | ̷ ̷ ̷ ̷|dāshəs adjective