插孔

chākǒng
  1. jack
  2. socket

CEDICT

socket (for an electric plug)

Wiktionary

Entry Composition

=1 插 chā
  1. to insert
  2. stick in
  3. pierce
  4. to take part in
  5. to interfere
  6. to interpose
=1 插 chā old variant of 插 chā
2 孔 kǒng
  1. hole
  2. classifier for cave dwellings

classifier: 個

Related entries

千斤頂 qiānjīndǐng jack (for lifting weight)
千斤頂在桌上。

The car jack was on the table.

Source: Tatoeba

小起重機 xiǎoqǐzhòngjī jack
插口 chākǒu
  1. socket (for an electric plug)
  2. to interrupt (sb speaking)
  3. to butt in
插座 chāzuò
  1. socket
  2. outlet
插頭插到插座裡了嗎？

Is the power cord plugged into a power outlet?

Source: Tatoeba

撲落 pūluò
  1. to fall
  2. to drop
  3. socket (loanword for "plug")