Jacketed

Part of speech: adjective

Definitions

1. Featuring an outer layer or cover that safeguards the contents within
2. Describing an object that is enclosed in a specific protective coating for enhancement or safety
3. Having an exterior layer that shields and encases its inner parts from harm or exposure

Etymology: "Jacketed" is the past participle of "jacket" used as an adjective, and its history runs back to a humble garment. "Jacket" comes from Middle French "jacquet," a diminutive of Old French "jaque," meaning a short coat or tunic. The "jaque" itself is commonly linked to the name "Jacques" (James), so the garment was once a sort of everyman's wear, a tag that gave it a common-folk identity. The adjective took its meaning from the garment's basic job: a jacket is a layer worn over something else. When engineers and manufacturers began describing objects wrapped in an outer casing, such as a bullet with a metal shell or a pipe with an insulating cover, "jacketed" was a natural fit. The sense of a protective outer layer around something inside carried over directly from the clothing.

Synonyms: coated, covered, wrapped, clad, enveloped

Antonyms: exposed, uncovered, bare, naked, defenseless