1. in ordinary or familiar conversation; informally

Examples

• The scientific name is Helianthus annuus, but it’s colloquially known as a sunflower.
• While the official term is ‘elevator,’ it’s colloquially called a ‘lift’ in Britain.
• The neighborhood is colloquially referred to as ‘Little Italy.’
• Doctors may use technical terms, but colloquially we just call it a heart attack.
• The building is colloquially known as the ‘Cheese Grater’ due to its distinctive shape.
• This plant is colloquially called ‘lamb’s ear’ because of its soft, fuzzy leaves.