turn

(redirected from does a good turn)
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

turn

(tŭrn),
To revolve or cause to revolve; specifically, to change the position of the fetus within the uterus to convert a malpresentation into a presentation permitting normal delivery.
[A.S. tyrnan]
Obstetrics Version; the rotation of a foetus for vaginal delivery
Public health The abrupt change in a domesticated animal’s behaviour, from docile to aggressive, resulting in attacks on humans, which may be fatal; turning is most common in pitbull terrriers and rottweilers, which together cause the bulk of dog bite-related fatalities in the US