Serial

Definitions

1. A literary or dramatic work, such as a radio or television programme, published in installments, often numbered and without a specified end.
2. A publication issued in successive parts, often numbered and with no predetermined end.
3. A serial number, esp. one required to activate software.
   slang
4. A unit of police officers equipped with shields to tackle a riot.
   UK

Equivalents

Examples

“Go to these sites for serials, cracks and keygens.”

“The practice, especially among members of shield serials, of 'whooping like⟳ cowboys and indians' and beating of truncheons on riot shields must cease as this tends to frighten⟳ and intimidate rioters.”

“The serials worked in pairs, one with long shields and one with short shields.”

CEFR level