
• (n. pl.) The swimming birds. • (n. pl.) The swimming birds.
Found on
http://thinkexist.com/dictionary/meaning/natatores/
Na`ta·to'res noun plural [ Latin
natator a swimmer.]
(Zoology) The swimming birds. » They were formerly united into one order, which is now considered an artificial group.
Found on
http://www.encyclo.co.uk/webster/N/5

Natatores is the web-footed order of birds. They are characterized by a body flattened horizontally; the legs short, often placed far behind; the tarsi compressed; generally four toes, the three in front and sometimes all four, more or less united by a membrane.
Found on
http://www.probertencyclopaedia.com/browse/BN.HTM
No exact match found.