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Definitions

cog

[kog, kawg] / kɒg, kɔg /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Postal Service has been a key cog in Amazon’s shipping network, providing a significant portion of the so-called last-mile deliveries of packages to people’s homes.

From The Wall Street Journal • Apr. 6, 2026

Smart leads the Lakers in overall plus-minus, a quiet cog who connects the Lakers’ constellation of stars.

From Los Angeles Times • Mar. 23, 2026

“I do think Google’s self-sufficiency should command a premium relative to the others that could be adversely impacted by one cog in the wheel,” Treacy said, referring to Google’s proprietary tensor processing units.

From MarketWatch • Feb. 12, 2026

But he's a symptom of it, a failing cog in a malfunctioning machine.

From BBC • Dec. 14, 2025

After about a week, it started to gel and I got my first taste of being a cog in the machine.

From "If I Stay" by Gayle Forman