St., ave., or rd

• Mon. or Jan., e.g
• Mon., for Monday
• Shortening, for short
• "Dr." or "St.," for short
• NASA, e.g
• This answer, for one
• Shortened word, briefly
• I.e., e.g
• What etc. is

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of abbr. dot= English).