Phobos

[ foh-buhs, -bos ]

noun

1. Also Pho·bus [] Classical Mythology. a son and attendant of Ares and the personification of a fear held to possess armies and cause their defeat.
2. Astronomy. one of the two moons of Mars.

Phobos

/ ˈfəʊbɒs /

noun

1. See Deimos
   the larger of the two satellites of Mars and the closer to the planet. Approximate diameter (although it has an irregular shape): 23 km Compare Deimos

Phobos

/ fō′bəs /

1. The larger and inner of the two planetary satellites of Mars.