identifying mark/feature

noun

: a mark or feature that shows who someone is or what something is

The large mustache was an identifying feature of the man.

The police detective put a small identifying mark on the envelope.

Examples of identifying mark/feature in a Sentence

Recent Examples on the Web

The most prominent identifying feature of the male Costa’s is the purple iridescent neck feathers, known as a gorget, which extend widely out on each side, like an old cowboy moustache. — Ernie Cowan, San Diego Union-Tribune, 14 Sep. 2025

Just like fingerprints, your breathing patterns may be a unique identifying feature. — Jay Kakade june 22, New Atlas, 22 June 2025

Amziah hatches a plan using propane heaters to melt the honey out of the barrels to look for an identifying mark that could trace them back to their owner. — Ryan Lattanzio, IndieWire, 11 Mar. 2025

The obvious identifying feature, of course, is that cacti typically have sharp spines. — Hadley Mendelsohn, House Beautiful, 12 June 2023

The main identifying feature of ankylosing spondylitis is when joints that were once able to move freely in the spine become immobile. — Colleen Stinchcombe, Health.com, 21 Jan. 2022

Another identifying feature is that Thanksgiving cacti have yellow anthers, which bear the pollen, on their flowers. — Arricca Elin Sansone, Country Living, 26 July 2021