1. Slightly sour to the taste

See also: sour

• Rock Cornish
• Rock Cornish hen
• rock crab
• rock crystal
• rock dove
• rock drill
• rock elm
• Rock fever
• rock garden
• rock geranium
• rock group
• rock gunnel
• rock harlequin
• rock hind
• rock hopper
• rock hyrax
• Rock Island
• rock kangaroo
• rock lobster
• rock maple
• rock melon
• rock music
• Rock of Gibraltar
• rock oil
• rock opera