Related Clues:

• High school subj.
• Man, e.g.: Abbr.
• Back muscle, familiarly
• Atlas abbr.
• Map abbr.
• Atlantis was one: Abbr.
• Back muscle, for short
• 50 degrees, say: Abbr.
• Back muscle, briefly
• Ancient lang.
• It's 0 deg. at the equator
• Paint base
• It's perpendicular to long.
• Bahamas, e.g.: Abbr.
• Cartographic fig.