# topline

> English word · Noun · frequency rank #94,351

## Definitions
1. The upper curvature of a horse's or dog's withers, back, and loin.
2. Top billing.
3. The first line, the topmost-ranking line; the most important thing.
4. The edge that runs along the top of the opening of a shoe.
5. The vocal parts of a piece of music (particularly pop).

## Etymology
From top + line.

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