number two

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

A first mate.

Nghĩa · Tiếng Việt

thuyền phó đầu tiên

Machine-translated — suggest a fix

Register: slang

Where it’s used: Used American English
Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “number two” mean?

A first mate.

Is “number two” formal or informal?

number two is generally slang.