Definitions
1.NounA small corner formed by two walls; an alcove."There was a small broom for sweeping ash kept in the nook between the fireplace bricks and the wall."
2.NounA hidden or secluded spot; a secluded retreat."The back of the used book shop was one of her favorite nooks; she could read for hours and no one would bother her or pester her to buy."
3.NounA recess, cove or hollow.
4.NounAn English unit of land area, originally ⁄4 of a yardland but later 12+⁄2 or 20 acres.
5.NounA corner of a piece of land; an angled piece of land, especially one extending into other land.
6.NounThe vagina-like genitalia of a troll, featured in Homestuck fanworks but not in canon.
7.VerbTo withdraw into a nook.
8.VerbTo situate in a nook.