1. In or of the month preceding the present one
   "your letter received on the 29th ult"
   - ultimo

See also: past

• shield
• shield bug
• shield fern
• Shield of David
• shield-shaped
• shielded
• shielder
• shielding
• shieling
• shift
• shift key
• shift register
• shiftable
• shifter
• shiftily
• shiftiness
• shifting
• shiftless
• shiftlessness
• shifty
• shiga bacillus
• shigella
• Shigella dysentariae
• shigellosis
• Shih-Tzu