Symbol for Grouping Posts on Social Media

This page is the CodyCross answer for the clue below from New York, New York!, Group 370, Puzzle 1 (Apollo Theater).

Question is: Symbol for Grouping Posts on Social Media

and the answer is: HASHTAG

Word Meaning:

HASHTAG — (Internet) A metadata tag, signaled by a preceding hash sign (#), used to label content.

Definitions from Wiktionary.

Symbol for grouping posts on social media — CodyCross Answer | CodyCross Solutions