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blue pigeon

In nautical slang, a blue pigeon refers to the lead weight attached to a sounding line — the tool sailors dropped overboard to measure water depth.

ˈblu ˈpɪd͡ʒənDocumented since 1850shistorical34 viewsLast reviewed Jun 29, 2026+ Add a definition
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Born ~1850 · no dated citations yet
1850BornToday, 2026

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#1·Apr 28, 2026

In nautical slang, a blue pigeon refers to the lead weight attached to a sounding line — the tool sailors dropped overboard to measure water depth. The metaphor is visual: the weighted lead flies off the side of a ship and dives down through the water much like a diving bird. It's a lovely example of sailors' poetic tendency to give prosaic tools evocative names, part of the rich vocabulary that made life at sea feel like a world apart.

The first mate called for the blue pigeon as they approached the shallow coastal channel.
Origin: Nautical slang, likely 18th-19th century — the lead weight's diving motion through water evokes a plunging blue-grey bird. Editorial expansion authored on Slangora (model-assisted, hedged).
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#2·Apr 26, 2026

Any member of the genus of the pigeon family.

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#3·Apr 26, 2026

(nautical, slang) The lead used for sounding.

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