Se·ni·or /ˈsiːniə $ -ər/ BrE AmE ( written abbreviation Sr. American English Snr British English )
used after the name of a man who has the same name as his son ⇨ Junior :
John J. Wallace, Sr.
Se·ni·or /ˈsiːniə $ -ər/ BrE AmE ( written abbreviation Sr. American English Snr British English )
used after the name of a man who has the same name as his son ⇨ Junior :
John J. Wallace, Sr.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012