[ yawz ]
/ yɔz /

noun (used with a singular verb) Pathology.

an infectious, nonvenereal tropical disease, primarily of children, characterized by raspberrylike eruptions of the skin and caused by a spirochete, Treponema pertenue, that is closely related to the agent of syphilis.

Nearby words

  1. yawning,
  2. yawningly,
  3. yawnsome,
  4. yawny,
  5. yawp,
  6. yaxchilán,
  7. yay,
  8. yayoi,
  9. yazata,
  10. yazd

Compare mother yaw.

Origin of yaws

From Carib, dating back to 1670–80; see origin at -s3

Also called frambesia, pian.


[ yaw ]
/ yɔ /

verb (used without object)

verb (used with object)

to cause to yaw.


Origin of yaw

First recorded in 1540–50; origin uncertain


[ yaw ]
/ yɔ /

noun Pathology.

one of the lesions of yaws.

Origin of yaw

First recorded in 1735–45; back formation from yaws

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for yaws

British Dictionary definitions for yaws


/ (jɔːz) /


(usually functioning as singular) an infectious nonvenereal disease of tropical climates with early symptoms resembling syphilis, characterized by red skin eruptions and, later, pain in the joints: it is caused by the spiral bacterium Treponema pertenueAlso called: framboesia

Word Origin for yaws

C17: of Carib origin


/ (jɔː) /


(intr) (of an aircraft, missile, etc) to turn about its vertical axisCompare pitch 1 (def. 11), roll (def. 14)
(intr) (of a ship, etc) to deviate temporarily from a straight course
(tr) to cause (an aircraft, ship, etc) to yaw


the angular movement of an aircraft, missile, etc, about its vertical axis
the deviation of a vessel from a straight course

Word Origin for yaw

C16: of unknown origin

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

Word Origin and History for yaws
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for yaws


[ yôz ]


An infectious tropical disease caused by Treponema pertenue, characterized by the development of crusted granulomatous ulcers on the extremities that may cause bone and joint destruction in later stages of the disease.boubas bubas frambesia granuloma tropicum pian rupia

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for yaws


[ yôz ]

A highly contagious tropical disease that chiefly affects children, caused by the spirochete Treponema pertenue and characterized by raspberrylike sores, especially on the hands, feet, and face.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.