# uplink

> English word · Noun · frequency rank #40,500

## Definitions
1. The portion of a communications link used for the transmission of signals from an Earth terminal to a satellite or to an airborne platform. An uplink is the converse of a downlink. An uplink or downlink is distinguished from reverse link or forward link.
2. The communication path from a mobile device to a base station, a consumer to the network backbone, a client device to a server, etc.
3. Data transmission from a data station to the headend.

## Etymology
From up + link.

## Easily confused with
- **upping** (https://plainspell.com/en/vs/uplink-vs-upping)
- **uptick** (https://plainspell.com/en/vs/uplink-vs-uptick)
- **uplift** (https://plainspell.com/en/vs/uplift-vs-uplink)
- **upland** (https://plainspell.com/en/vs/upland-vs-uplink)

## Common misspellings (9)
`pulink`, `ulpink`, `upilnk`, `uplikn`, `uplinkk`, `uplinnk`, `upllink`, `uplnik`, `upplink`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/uplink