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1. Biology Headless or lacking a clearly defined head: acephalous worms.
2. Having no leader.

[From Medieval Latin acephalus, from Greek akephalos : a-, without; see a-1 + kephalē, head; see -cephalous.]
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.


1. (Biology) biology Also: acephalic having no head or one that is reduced and indistinct, as certain insect larvae
2. having or recognizing no ruler or leader
[C18: via Medieval Latin from Greek akephalos. See a-1, -cephalic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(eɪˈsɛf ə ləs)

1. Also, a•ce•phal•ic (ˌeɪ səˈfæl ɪk) headless; lacking a distinct head.
2. without a leader or ruler.
[1725–35; < Greek aképhalos; see a-6, -cephalous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


- A manuscript lacking a beginning could be called acephalous.
See also related terms for manuscript.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.acephalous - lacking a head or a clearly defined headacephalous - lacking a head or a clearly defined head; "acephalous worms"
biological science, biology - the science that studies living organisms
headless - not having a head or formed without a head ; "the headless horseman"; "brads are headless nails"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[əˈsefələs] ADJacéfalo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005