1. Plural of primus: a portable stove that burns liquid fuel, used especially for camping or outdoor cooking.
Usage: Often capitalized when referring to the brand name Primus; Common in British English and outdoor/camping contexts
2. Plural of primus: in some contexts, a first or chief person; a leader or superior.
Usage: Archaic or formal usage; Rare in modern English

Examples

• The camping group packed several primuses for their week-long expedition in the mountains.
• We heated water on the primus to make tea during our backpacking trip.
• The old primuses still worked reliably after decades of use.
• Hikers often prefer lightweight primuses over traditional campfires.
• She brought two primuses to ensure everyone could cook their meals simultaneously.