nipper

1. (usually in the plural) Any of various devices (as pincers) for nipping.plural-normally

2. (British, informal) A child.Examples: "Heard what I was saying, and nipped off to the patrols the very next day. Pretty smart for a nipper of seven, eh?"; "No, this is not a creche: nippers should not be running around, fighting under the pool table or generally creating havoc (this applies to dogs, too)."Britishinformal

3. (Australia) A child aged from 5 to 13 in the Australian surf life-saving clubs.Examples: "2003 Some Like It Hot: The Beach As a Cultural Dimension SLSA has become a multi-million dollar enterprise comprising 262 clubs located around the Australian coastline, with 100000 members, which included thousands of juniors or 'nippers', as they were more commonly known."; "It is the first day of training for a group of ten 'little nippers' (novice surf life-savers). An assortment of children expectantly hover in the clubhouse."; "2009, Didgeridoos and Didgeridon'ts: A Brit 's Guide to Moving Your Life Down Under Every club around Australia offers a Nippers programme. Nippers is open to children from the age of 5 through to 13 years old […]"Australia

4. (historical) A boy working as a navvies' assistant.historical

5. (Canada, slang, Newfoundland) A mosquito.CanadaNewfoundlandslang

6. (archaic) One of four foreteeth in a horse.archaic