black spot

noun

1

: any of several bacterial or fungal diseases of plants characterized by black spots or blotches especially on the leaves

2

chiefly British : a dangerous or troublesome place or area

… Wisteria Lane has always been a major accident black spot.

—Jane Simon

Examples of black spot in a Sentence

Recent Examples on the Web

Juveniles, known as nymphs, which resemble small, wingless black and red beetles with white spots, are found in the early summer, with adults, characterized by gray to brown outer wings with black spots, emerging in late summer. — Jalen Williams, Freep.com, 10 Sep. 2026

Massachusetts Department of Agricultural Resources Spotted lanternflies have gray wings with black spots and red hindwings underneath. — Matt Schooley, CBS News, 9 Sep. 2026

Wet leaves encourage diseases such as black spot and powdery mildew. — Michele Laufik, Martha Stewart, 25 Aug. 2026

Anglers who fished the lake first noticed the growths — raised black spots — more than a decade ago. — Adam Cohen, Oklahoman, 18 Aug. 2026

Word History

First Known Use

1832, in the meaning defined at sense 2

Rhymes for black spot

• allot
• barat
• begot
• besought
• bethought
• bloodshot
• boycott
• buckshot
• crackpot
• croat
• culottes
• dashpot

Medical Definition

black spot

noun

: a spotting of frozen meat caused by an imperfect fungus of the genus Cladosporium (C. herbarum)