n. 层顶层, 阁楼, 顶楼, 头

[ noun ]
floor consisting of open space at the top of a house just below roof; often used for storage
<noun.artifact>

Garret \Gar"ret\, n. [OE. garite, garette, watchtower, place of
lookout, OF. garite, also meaning, a place of refuge, F.
gu['e]rite a place of refuge, donjon, sentinel box, fr. OF.
garir to preserve, save, defend, F. gu['e]rir to cure; of
German origin; cf. OHG. werian to protect, defend, hinder, G.
wehren, akin to Goth. warjan to hinder, and akin to E. weir,
or perhaps to wary. See {Weir}, and cf. {Guerite}.]
1. A turret; a watchtower. [Obs.]

He saw men go up and down on the garrets of the
gates and walls. --Ld. Berners.

2. That part of a house which is on the upper floor,
immediately under or within the roof; an attic.

The tottering garrets which overhung the streets of
Rome. --Macaulay.