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• dee
  dee

  noun

  a metal loop attached to tack, for fastening gear.
• Dee
  Dee

  noun

  John, 1527–1608, English mathematician and astrologer.

dee

¹ American  

[dee] / di /

noun

1. a metal loop attached to tack, for fastening gear.

   The wire cutters hung from a dee on her saddle.

2. Physics. a hollow electrode for accelerating particles in a cyclotron.

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Dee ² American  

[dee] / di /

noun

1. John, 1527–1608, English mathematician and astrologer.

2. a river in NE Scotland, flowing E into the North Sea at Aberdeen. 90 miles (145 km) long.

3. a river in N Wales and W England, flowing E and N into the Irish Sea. About 70 miles (110 km) long.

4. a male or female given name.

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Dee ¹ British  

/ diː /

noun

1. a river in N Wales and NW England, rising in S Gwynedd and flowing east and north to the Irish Sea. Length: about 112 km (70 miles)

2. a river in NE Scotland, rising in the Cairngorms and flowing east to the North Sea. Length: about 140 km (87 miles)

3. a river in S Scotland, flowing south to the Solway Firth. Length: about 80 km (50 miles)

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Dee ² British  

/ diː /

noun

1. John. 1527–1608, English mathematician, astrologer, and magician: best known for his preface (1570) to the first edition of Euclid in English

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dee ³ British  

/ diː /

verb

1. a Scot word for die 1

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Etymology

Origin of dee

First recorded in 1785–95; so called from its shape, which resembles the letter D

Example Sentences

The more dee notes in the chickadee-dee-dee call, the higher the threat level.

From Seattle Times • Oct. 29, 2021

Onion: Yes, usually you’re like “side characters, blah dee blah.”

From Slate • Aug. 7, 2020

So, oompa loompa doompety dee, if you are wise you will listen to me: Get informed consent before you feed anyone garbage.

From New York Times • Oct. 24, 2019

It wasn’t finished – they even had to fill in parts with “dee dee dee” because they’d not come up with lyrics yet – but Nichols loved it.

From The Guardian • Feb. 8, 2017

"I'm exposing a double-dealer, that's what I'm doing. I'm exposing you. Brothers, this man is a pure dee opportunist!"

From "Invisible Man" by Ralph Ellison