释义 |
sill /sil/ noun- (also cill) a horizontal length of timber, stone, etc at the foot of an opening, eg for a door, window, embrasure, port, dock-entrance, etc
- The bottom of a title-page, a plough, a ledge
- A bed of rock (mining)
- A sheet of intrusive rock more or less parallel to the bedding (geology)
ORIGIN: OE syll; ON syll; Ger Schwelle |