Ca

¹ American  

Symbol, Chemistry.

1. calcium.

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CA ² American  

abbreviation

1. California (approved especially for use with zip code).

2. chronological age.

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ca' ³ American  

[kah, kaw] / kɑ, kɔ /

verb (used with or without object)

Scot.

1. to call, as to call an animal toward one; urge forward by calling.

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ca- ⁴ American  

1. variant of ker-.

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ca. ⁵ American  

abbreviation

1. cathode.

2. centiare.

3. Also ca (with a year) about.

   ca. 476 b.c.

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C/A ⁶ American  

Or c/a

1. capital account.

2. cash account.

3. credit account.

4. current account.

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C.A. ⁷ American  

abbreviation

1. Central America.

2. chartered accountant.

3. Accounting. chief accountant.

4. Coast Artillery.

5. commercial agent.

6. consular agent.

7. controller of accounts.

8. current assets.

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CA ¹ British  

abbreviation

1. California

2. Central America

3. chartered accountant

4. chief accountant

5. consular agent

6. (in Britain) Consumers' Association

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C/A ² British  

abbreviation

1. capital account

2. credit account

3. current account

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Ca ³ British  

symbol

1. calcium

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ca ⁴ British  

abbreviation

1. Canada

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ca. ⁵ British  

abbreviation

1. circa

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Etymology

Origin of ca'³

Variant of call

Origin of ca.⁵

ca. ( def. 3 ) < Latin circā

Example Sentences

She was treated on the slope for a lengthy period before being airlifted off the piste to Ca Foncello hospital in Treviso, where she underwent surgery on a fractured left leg.

From BBC • Feb. 9, 2026

“The gift return is an informational return because there is a lot of information and no tax being sent to the IRS,” says LSL CPAs, which is headquartered in Irvine, Ca.

From MarketWatch • Dec. 7, 2025

“My absolute favorite is Ca Com, the banh mi shop from the Anchovy team. They break down whole pigs in their hatted kitchen next door to make the jungle sausage in my favorite order.”

From Salon • Apr. 24, 2025

Owned by husband-and-wife team Ed Iracheta and Jenny Nguyen, Ca Phe Song serves spring rolls, skewers, bun and banh mi — plus pho on Fridays.

From Seattle Times • Apr. 3, 2024

Ca, cambium, the line between the soft bast and the wood.

From Wood and Forest by Noyes, William