nun

nun is a Noun

Definition:

[1] A woman devoted to a religious life, who lives in a convent, under the three vows of poverty, chastity, and obedience. They holy time is quiet as a nun Breathless with adoration. Wordsworth.

[2] A white variety of domestic pigeons having a veil of feathers covering the head.

[3] The smew.

[4] The European blue titmouse. Gray nuns (R. C. Ch.), the members of a religious order established in Montreal in 1745, whence branches were introduced into the United States in 1853; -- so called from the color or their robe, and known in religion as Sisters of Charity of Montreal. -- Nun buoy. See under Buoy.