acrostic
Concise Oxford English Dictionary © 2008 Oxford University Press:
acrostic /əˈkrɒstɪk/
▶noun a poem or puzzle in which certain letters in each line form a word or words.
– origin C16: from Fr. acrostiche, from Gk akrostikhis, from akron ‘end’ + stikhos ‘row, line of verse’.
'acrostic' also found in these Oxford entries:
