1. (noun) an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs

• hives
• nettle rash
• urtication

1. (noun) an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs

• efflorescence
• rash
• roseola
• skin rash
• hypersensitivity reaction