par·the·no·cis·sus \ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈsisəs\noun Usage: capitalized Etymology: New Latin, from parthen- + Cissus : a genus of Asiatic and No. American woody vines (family Vitaceae) distinguished by dislike tips on the tendrils — see boston ivy, virginia creeper