Learn how to say Cercariae correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word cercaria:
noun (plural cercariae /-ɪiː/)
a free-swimming larval stage in which a parasitic fluke passes from an intermediate host (typically a snail) to another intermediate host or to the final vertebrate host.
mid 19th century: modern Latin, formed irregularly from Greek kerkos ‘tail’