1. (女子的)贴颈项链，项圈
A choker is a necklace or band of material that fits very closely round a woman's neck.

1. a high tight collar

Synonym: ruffruffleneck ruff

2. necklace that fits tightly around a woman's neck

Synonym: collardog collarneckband

3. an unfortunate person who is unable to perform effectively because of nervous tension or agitation

e.g. he could win if he wasn't a choker

4. someone who kills by strangling

Synonym: garrotergarrotterstranglerthrottler