chiếc

Non-Sino-Vietnamese reading of Chinese 隻 (“classifier; single, alone”; SV: chích).

• (Hà Nội) IPA^(key): [t͡ɕiək̚˧˦]
• (Huế) IPA^(key): [t͡ɕiək̚˦˧˥]
• (Hồ Chí Minh City) IPA^(key): [ciək̚˦˥]

chiếc (隻)

1. (formal or literary) Indicates generic inanimate nouns

   Synonym: cái

   Chiếc lược ngà

   The Ivory Comb

2. (colloquial) Indicates popular vehicles, such as bicycles, motorcycles, cars, etc.

   Synonym: con

   Nó có hai chiếc xe máy.

   He's got two motorcycles.

• As a classifier, chiếc is usually considered as a formal, or even literary, counterpart to cái. It is mostly used colloquially when indicating some types of vehicles such as bicycles, motorcycles, cars, etc.
• Also note that only cái can be used to indicate zoological body parts, except for teeth.

• đơn chiếc