Quick definitions from WordNet (Victoria falls)
▸ noun: a waterfall in the Zambezi River on the border between Zimbabwe and Zambia; diminishes seasonally
▸ noun: a large waterfall on the border between Argentina and Brazil
▸ noun: a waterfall in the Zambezi River on the border between Zimbabwe and Zambia; diminishes seasonally
▸ noun: a large waterfall on the border between Argentina and Brazil