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sidehead

American  
[sahyd-hed] / ˈsaɪdˌhɛd /

noun

Printing.

  1. a heading or subhead run in the margin of a book or magazine.

Etymology

Origin of sidehead

side 1 + head

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.