pty·cho·sper·ma \ˌtīkōˈspərmə\noun Usage: capitalized Etymology: New Latin, from ptych- + -sperma : a genus of pinnate-leaved palms that are native chiefly to Australasia and have pinnatisect leaves with segments cuneate and erose on the margin and small monoecious flowers borne in a slender branched spadix