acrostic

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a puzzle where you fill a square grid with words reading the same down as across
• Syn:
word square
• Hypernyms:
puzzle, puzzler, mystifier, teaser
2. verse in which certain letters such as the first in each line form a word or message
• Hypernyms:
literary composition, literary work