Copyglyph
U+23A9 · Left Curly Bracket Lower Hook · Miscellaneous Technical · Common

Left Curly Bracket Lower Hook ⎩

(U+23A9) is a standard Unicode character that you can copy and paste anywhere text is accepted. This page provides a concise reference with safe tips, internal links, and practical guidance so you can use it reliably across apps and platforms.

What it is and where it’s used: Left Curly Bracket Lower Hook is part of the Symbols family (block: Miscellaneous Technical). If you need styled or decorative alternatives, try our Fancy Text tool to generate compatible text that works in most modern interfaces.

History & usage: The symbol is the LEFT CURLY BRACKET LOWER HOOK. It has the codepoint U+23A9 and sits in the Miscellaneous Technical block. In this context, the character helps open a group, a parameter, or quoted text. It is used in writing and in code to mark the start of a section or a unit that will be closed later. The hook shape signals that the content inside the braces forms a unit for reading or evaluation. In documentation and notation, curly brackets with hooks can show a set, a list, or a parameter list. Writers may use it to enclose terms for emphasis or clarification. Programmers turn to this symbol as part of a larger family of brackets that structure data and commands. The LOWER HOOK variant is one style option among several bracket types. Its use is practical: it makes structure visible and errors easier to spot. Overall, this bracket helps separate elements while keeping the text or code readable and organized.

Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+23A9 in many development tools or editors. Some operating systems provide a character viewer or input palette that lets you search by name or code and insert the glyph into documents.

Display and fallback: if you see an empty box (tofu) or a placeholder rectangle, the active font might not include this codepoint. Switching to a font with broader Unicode coverage or using a fallback font usually fixes the issue. On the web, ensure the page’s font stack includes a general‑purpose fallback.

Related references: browse the Categories for similar characters. When choosing a symbol, prefer the official codepoint for semantic clarity and better compatibility with search, copy, and accessibility tooling.

See our category page for related symbols.

Technical details
  • Codepoint: U+23A9
  • General Category: Sm
  • Age: 3.2
  • Bidi Class: ON
  • Block: Miscellaneous Technical
  • Script: Common
  • UTF-8: E2 8E A9
  • UTF-16: 23A9
  • UTF-32: 000023A9
  • HTML dec: ⎩
  • HTML hex: ⎩
  • JS escape: \u23A9
  • Python \N{}: \N{LEFT CURLY BRACKET LOWER HOOK}
  • Python \u: \u23A9
  • Python \U: \U000023A9
  • URL-encoded: %E2%8E%A9
  • CSS escape: \23A9
How to type / insert

Fast copy: click the Copy button near the top of this page.

By codepoint: in many editors and IDEs, you can insert via the Unicode code U+23A9 or a built‑in character picker.

HTML: use the numeric entity ⎩ (hex) or ⎩ (decimal) when an HTML entity is needed.

Compatibility & troubleshooting

Font support: if the symbol does not render, the current font likely lacks this codepoint. Choose a font with broad Unicode coverage or allow a fallback font.

Web pages: ensure your CSS font stack includes a general fallback; avoid relying on images for common symbols to preserve accessibility and copyability.