The unusual word "omphalopter" is pronounced as /ɒmˈfæləʊptə/. The first syllable "omphal-" is derived from the Greek word "omphalos" which means "navel". The second part "-opter" is derived from the Greek word "pteron" meaning "a wing". Together, the word means "navel-winged". While it is not a commonly used word, knowing its spelling and pronunciation may help in understanding its meaning should it ever be encountered.