A., B. and others: Abbr.

• Some OKs
• J. K. Rowling has two of them: Abbr
• Monogram pts
• They appear next to contract changes: Abbr
• Monograms: Abbr.
• U.S.A. or U.K.
• The "F" and "B" of Samuel F. B. Morse, e.g.: Abbr.
• YSL or JFK
• JFK, e.g.: Abbr

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: init )