This is a two-minute answer, and the first half of it is a spelling correction: the word is traqueur, with one C. The spelling tracqueur — the one many people type — is an anglicism: English writes track and tracker with a CK, so the eye inserts one into the French word too. French does not. The verb is traquer, the agent noun is traqueur, and the feminine form is traqueuse.
What it means
Traquer means to track down, to hunt, to hound — with a stronger flavour of pursuit than the neutral English track. A traqueur is therefore one who does that, and the word shows up in a few distinct settings:
- Driven hunts. In traditional French hunting, the traqueurs are the line of participants who move through cover to push game toward the waiting guns — the role English calls a beater. This is the word’s oldest everyday use.
- Devices. Modern French borrows the noun for tracking hardware: a traqueur GPS is a GPS tracker. Product listings and how-to articles in French use this constantly, which is a major reason the word crosses into English-speaking searches.
- Figurative and darker uses. Like its verb, the noun can describe relentless pursuit of a person — journalism about people being hounded, or software marketed for following someone’s location. Worth knowing: in most jurisdictions, covertly tracking a person without consent is illegal, and the legitimate uses of tracking devices are for your own property, vehicles, pets, or with the tracked person’s knowledge.
Why you probably met the word
Most English-speaking searches for it trace back to one of three encounters: a French product page for a GPS tracker, a hunting context, or the word used in a French article or film. If your encounter was the first kind, the practical takeaway is simply that traqueur GPS on a French listing is the same product category an English shop calls a GPS tracker — nothing more exotic than that.
The one-line version
Traqueur: French, one C, from traquer — a tracker, a beater in a hunt, or a tracking device, depending on context. If you arrived here from the misspelling, the search engines forgive you, and now you know.