tinea bar·bae (bär?b?)n. See barber’s itch.[New Latin : Medieval Latin tinea, tinea + Latin barbae, genitive of barba, beard.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.