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• apa
  apa

  noun

  a tree, Eperua falcata, of tropical America, having reddish-brown wood used in the construction of houses.
• Apa
  Apa

  noun

  a river in central South America that flows W along the E Paraguay-SW Brazil border to the Paraguay River. about 125 miles (200 km) long.
• APA
  APA

  American Psychiatric Association.
• A.P.A.
  A.P.A.

  abbreviation

  American Philological Association.

apa

¹ American  

[uh-pah] / əˈpɑ /

noun

1. a tree, Eperua falcata, of tropical America, having reddish-brown wood used in the construction of houses.

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Apa ² American  

[ah-pah] / ˈɑ pɑ /

noun

1. a river in central South America that flows W along the E Paraguay-SW Brazil border to the Paraguay River. about 125 miles (200 km) long.

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APA ³ American  

1. American Psychiatric Association.

2. American Psychological Association.

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A.P.A. ⁴ American  

abbreviation

1. American Philological Association.

2. American Protective Association.

3. American Protestant Association.

4. American Psychiatric Association.

5. American Psychological Association.

6. Associate in Public Administration.

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Etymology

Origin of apa

From Tupi

Example Sentences

APA added 2.3% while Occidental Petroleum advanced 1.1%.

From Barron's • Apr. 13, 2026

A few of the non-tech names that have more than doubled include gold miner Newmont, oil exploration firm APA, and Dow component Caterpillar.

From Barron's • Apr. 6, 2026

A few of the non-tech names that have more than doubled include gold miner Newmont Corp., oil exploration firm APA Corp. and Dow component Caterpillar Inc.

From Barron's • Apr. 6, 2026

So it should come as no surprise that APA Corp.,

From Barron's • Mar. 30, 2026

An elderly man who has no children receives the title LINGO, and a woman, the title APA prefixed to his or her former name.

From The Pagan Tribes of Borneo by Haddon, Alfred C. (Alfred Cort)