louver

n. 天窗
【电】 遮板

形容词:louvered 

louver 也作 lou.vre

n.（名词）


A framed opening, as in a wall, door, or window, fitted with fixed or movable horizontal slats for admitting air and light and shedding rain.
固定百叶窗：一个有框架的开口处，比如在一堵墙里，门里或窗户里。安装有固定的或活动的水平条板，用来通风、采光、遮雨
One of the slats used in such an opening.
百叶窗板：用在这种开口的条板
One of the narrow openings formed by such slats.
条百页：由这种条板组成的狭窄开口
A slatted, ventilating opening, as on the hood of a motor vehicle.
放气孔：有条板的换气口，比如在车辆的引擎盖上
A lantern-shaped cupola on the roof of a medieval building for admitting air and providing for the escape of smoke.
天窗：中世纪建筑屋顶上的灯笼状的小塔，用来通风，冒烟

来源：
Middle English lover [skylight, chimney]
中古英语 lover [天光，烟囱]
from Old French
源自 古法语
from Middle Dutch love [gallery]
源自 中古荷兰语 love [美术馆]
from Middle High German lauble
源自 中古高地德语 lauble

【引伸】
lou.vered
adj.（形容词）