A cell that forms four megaspores by meiosis; a megasporocyte.

(computer hardware) The primary circuit board of a personal computer, containing the circuitry for the central processing unit, keyboard, mouse and monitor, together with slots for other devices.

The woman from whom one inherits half of one's DNA and who is the source of one's mitochondrial DNA.

Misspelling of Mother Teresa.

A nun who worked among the poor for many decades in India.

A person who is completely unselfish to the point of being saintly.

Cape Town

(linguistics, anthropology) The style of speech and manners which are to be observed between an Australian aboriginal man and his mother-in-law (i.e. wife's mother). Depending on the particular people, this can go so as far as an entirely separate vocabulary of words.

A small apartment attached to or carved out of a nominally single-family house, ostensibly intended for occupancy by a mother-in-law or other relative, but potentially also rented out to a stranger.

(US) The mother of a child actor.