gang·plank 
(găngplăngk′)
(găngplăngk′)n.
A board or ramp used as a removable footway between a ship and a pier. Also called gangway.
[From GANG1, way (obsolete and dialectal).]
gangplank- alterability
- alterable
- alterableness
- alterably
- alteration
- alterative
- altercate
- altercation
- alter ego
- alterity
- alternaria
- alternate
- alternate angle
- alternate host
- alternately
- alternating current
- alternating group
- alternation
- alternation of generations
- alternative
- alternatively
- alternative medicine
- alternative minimum tax
- alternative pathway
- alternative school