A Poetic Unit of One Long and Two Short Syllables

This page is the CodyCross answer for the clue below from House of Horrors, Group 1104, Puzzle 2 (Creepy Children).

Question is: A Poetic Unit of One Long and Two Short Syllables

and the answer is: DACTYL

Word Meaning:

DACTYL — A metrical foot of three syllables (— ⏑ ⏑), one long followed by two short, or one accented followed by two unaccented.

Definitions from Wiktionary.