ser ‧ if /ˈserəf, ˈserɪf/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: Probably from Dutch schreef 'line' , from Middle Dutch schriven 'to write' ]
a short flat line at the top or bottom of some printed letters
⇨ ↑ sans serif
ser ‧ if /ˈserəf, ˈserɪf/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: Probably from Dutch schreef 'line' , from Middle Dutch schriven 'to write' ]
a short flat line at the top or bottom of some printed letters
⇨ ↑ sans serif
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012