Noah Webster
Specter
SPEC'TER, noun [Latin spectrum, from specto, to behold.]
1. An apparition; the appearance of a person who is dead; a ghost. The ghosts of traitors from the bridge descend, With bold fanatic specters to rejoice.
2. Something made preternaturally visible.
3. In conchology, a species of voluta, marked with reddish broad bands.