Definition of dugong
: an aquatic, herbivorous, usually brownish-gray mammal (Dugong dugon) that inhabits warm coastal waters chiefly of southern Asia, Australia, and eastern Africa and resembles the related manatee but differs in having a notched tail divided into two lobes and upper incisors which grow into small tusks in the male ◆The dugong commonly attains a length of 8 feet (2.4 meters) or more. It is the sole living species in its taxonomic family (Dugongidae) which also includes the extinct Steller's sea cow and various sirenians known only from fossilized remains.
Origin and Etymology of dugong
New Latin, genus name, probably from dugung in Cebuano or a related Austronesian language of the central Philippines
First Known Use: 1800
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