1
- a natural or artificial hollow into which something fits or in which something revolves窝, 槽, 臼：
the eye socket.
眼窝。
1.1
- the part of the head of a golf club into which the shaft is fitted（高尔夫插球杆的）棒头承口。
2
- an electrical device receiving a plug or light bulb to make a connection插座。
词源
Middle English （in the sense 'head of a spear， resembling a ploughshare'）： from an Anglo-Norman French diminutive of Old French soc 'ploughshare'， probably of Celtic origin.