or a·cu·le·at·ed

[ uh-kyoo-lee-it, -eyt or uh-kyoo-lee-ey-tid ]
/ əˈkyu li ɪt, -ˌeɪt or əˈkyu liˌeɪ tɪd /


Biology. having or being any sharp-pointed structure.
having a slender ovipositor or sting, as the hymenopterous insects.
pointed; stinging.

Origin of aculeate

From the Latin word acūleātus, dating back to 1595–1605. See aculeus, -ate1

Related forms

non·a·cu·le·ate, adjectivenon·a·cu·le·at·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aculeate

British Dictionary definitions for aculeate



/ (əˈkjuːlɪɪt, -ˌeɪt) /


cutting; pointed
having prickles or spines, as a rose
having a sting, as bees, wasps, and ants

Word Origin for aculeate

C17: from Latin acūleātus; see aculeus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for aculeate


[ ə-kyōōlē-ĭt, -āt′ ]


Covered with sharp spines; pointed.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.