Definition of wallpepper in US English:

noun

• another term for "mossy stonecrop"

  Example sentences

  • ‘The plant's folk names are fascinating: Jupiter's Beard, old man and old woman, stonecrop, wall pepper, sengrene, and welcome-home-husband-though-never-so-drunk.’
  • ‘These rock figures in nature are grown over with wall pepper and sengrene even in steep mountain crevices.’