▱
Geometric Shape 18
- Unicode
- U+25B1
- Category
- Geometric
- HTML Entity
- ▱
- CSS
- \25B1
The ▱ (White Parallelogram) symbol represents a four-sided geometric figure where opposite sides are parallel and equal in length. Originally added to Unicode for mathematical and technical compatibility, it frequently appears in geometry textbooks to denote parallelogram shapes in proofs. Developers and designers also use it in text-based flowcharts to indicate input or output operations, or simply as a clean, minimalist decorative element.
How to Type
- Windows
- Type 25B1, then press Alt + X in Word, or press Win + . and search 'White Parallelogram'
- macOS
- Control + Command + Space, then search 'White Parallelogram'
- Linux
- Ctrl + Shift + U, type 25B1, then press Enter
- HTML
- ▱
In Programming
In text-based flowcharts and pseudocode, a parallelogram conventionally represents an input or output operation. In mathematical typesetting, it visually labels a parallelogram object in geometric formulas (e.g., ▱ABCD).
Tags
flowchart
geometric
geometry
hollow parallelogram
input output symbol
math diagram
outline
outline shape
parallelogram shape
shape
slanted
technical diagram
white parallelogram