Pinewood Springs â Newsletter April, 2014. Water District As many of you know, the flood severely damaged the home located by the Bridge on Kiowa. The floodwaters also completely destroyed the homeownerâs water tap and water line.
Sill (geology) In geology, a sill is a flat sheet-like intrusion. As molten magma, it pushed between older layers of rock. The older rock may be sedimentary rock, beds of volcanic lava or tuff, or metamorphic rock. The sill does not cut across preexisting rocks, unlike dykes.
Definition of sill. 1  1 : a horizontal piece (as a timber) that forms the lowest member or one of the lowest members of a framework or supporting structure: such asa : the horizontal member at the base of a windowb : the threshold of a door.