Meaning

noun an ornament or pattern resembling a rose that is worn as a badge of office or as recognition of having won an honor

noun rhizoctinia disease of potatoes

noun a cluster of leaves growing in crowded circles from a common center or crown (usually at or close to the ground)

originEtymology tree Proto-Iranian *wardahder.? Ancient Greek ῥόδον (rhódon)bor.? Latin rosalbor. Old French rose Proto-Indo-European *-tós Proto-Italic *-tosder.? Latin -ittus Old French -ete Old French rosete Middle French rosettebor. ▲ French rosetteinflu. English rosette Borrowed from Middle French rosette (in sense 15) and (modern) French rosette. By surface analysis, rose + -ette.

Etymology from Wiktionary, CC BY-SA 3.0