wind gap 
(wĭnd)
(wĭnd)n.
A shallow notch in the crest of a mountain ridge.
- extemporal
- extemporaneity
- extemporaneous
- extemporaneously
- extemporaneousness
- extemporarily
- extemporary
- extempore
- extemporization
- extemporize
- extemporizer
- extend
- extendability
- extendable
- extended
- extended family
- extendedly
- extender
- extendibility
- extendible
- extensibility
- extensible
- extensile
- extension
- extensional