chest
Pronunciation: /tʃɛst/
noun
- 1the front surface of a person’s or animal’s body between the neck and the stomach: she crossed her arms across her chest he was very well built, with a muscular chest
- the whole of a person’s upper trunk, especially as considered with reference to their respiratory health or to their size of clothes: a bad chest a 42-inch chest
verb

Phrases
-
get something off one's chest
- informal say something that one has wanted to say for a long time, resulting in a feeling of relief: tell me about it, get it off your chest
-
play (or keep) one's cards close to one's chest (or North American vest)
- informal be extremely secretive and cautious about one’s intentions: the less skilled negotiator feels vulnerable and is more likely to keep his cards close to his chest

Origin:
Old English cest, cyst, related to Dutch kist and German Kiste, based on Greek kistē 'box'