latch·key 
(lăchkē′)
(lăchkē′)n.
A key for opening a latch or lock, especially one on an outside door.
- gastric reflux
- gastric ulcer
- gastrin
- gastritis
- gastro-
- gastrocnemius
- gastroduodenal
- gastroenteric
- gastroenteritis
- gastroenterologic
- gastroenterological
- gastroenterologist
- gastroenterology
- gastroesophageal
- gastroesophageal reflux disease
- gastroesophageal sphincter
- gastrointestinal
- gastrolith
- gastrologic
- gastrological
- gastrologically
- gastrologist
- gastrology
- gastronome
- gastronomer