breast
nounmasculine/ˈsɐj.u/medium
sei·o
Definitions
1Part of the human body, especially the female mammary gland.
The mother breastfed the baby at her breast.
The dress accentuated her breasts.
Common collocations
mother's breastright breastbreast carcinoma
2Inner space, cavity, or recess; also used for the interior of a group or community.
The river vanished into the bosom of the mountain.
We discussed the matter within the bosom of the organisation.
Common collocations
bosom of the earthbosom of societywithin the bosom of the group
Etymology
Do latim 'sinus'.