ch

UK: /ˌsiːˈeɪtʃ/

WordReference Random House Unabridged Dictionary of American English © 2025

ch, [Survey., Civ. Engin.]

1. Surveying chain;
   chains.

Ch., 

1. Chaldean.
2. Chaldee.
3. Radio and Television [Television.] channel.
4. chapter.
5. Château.
6. Chess check.
7. China.
8. Chinese.
9. church.

ch., 

1. chaplain.
2. chapter.
3. Chess check.
4. chief.
5. child;
   children.
6. church.

c.h., 

1. Optics candle hours.
2. clearinghouse.
3. courthouse.
4. custom house.

WordReference Random House Learner's Dictionary of American English © 2025

Ch.,  an abbreviation of:

1. Radio and Television channel.
2. chapter.

ch.,  an abbreviation of:

1. chapter.

Collins Concise English Dictionary © HarperCollins Publishers::

CH abbreviation

1. (in Britain) Companion of Honour
2. Switzerland (international car registration)

Etymology: (sense 2) from French Confédération Helvétique

Collins Concise English Dictionary © HarperCollins Publishers::

ch. abbreviation

1. chain (unit of measure)
2. chapter
3. check
4. chief
5. church