tail·skid 
(tālskĭd′)
(tālskĭd′)n.
A skid attached to the rear underside of certain airplanes to act as a runner.
- closed interval
- closed loop
- closed-minded
- closed-mindedness
- close door on
- closedown
- closed shop
- closed system
- closed universe
- close-fisted
- close-grained
- student union
- studfish
- stud horse
- studied
- studiedly
- studio
- studio apartment
- studio couch
- studious
- studiously
- studiousness
- studly
- stud poker
- studwork