acrostic
noun
a series of lines or verses in which the first, last, or other particular letters when taken in order spell out a word, phrase, etc.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
You grow to think acrostically and be up to all the tricks of the trade.
From The Red Redmaynes by Eden Phillpotts