1. Plural of octothorpe; the symbol (#), also called a hash mark or pound sign, consisting of two horizontal and two vertical lines crossing to form a grid.
Usage: Primarily used in technical and digital contexts; The term 'octothorpe' is less common in everyday speech than 'hash' or 'pound sign'

Examples

• The social media post included several octothorpes to categorize the content.
• On a telephone keypad, octothorpes appear alongside numbers and asterisks.
• Programmers use octothorpes in many languages to denote comments.
• The document contained multiple octothorpes as section dividers.
• Twitter users rely on octothorpes, commonly called hashtags, to organize conversations.