As a noun sid
is fairy mound or sid can be peace, goodwill, peaceableness, a state or period of peace, a truce; peace terms; peacemaking, conciliation.
As an acronym gid is
gender identity disorder.
sid
English
Alternative forms
* Syd
Proper noun
(
en proper noun)
A short form of the male given names Sidney', '''Sydney''' and ' Siddharth .
gid
English
Etymology 1
Noun
(-)
A disease of sheep caused by tapeworm.
Etymology 2
Compare (etyl) gigue. See jig (noun).