swan-neck
noun
variants:
or less commonly swan's neck \ ˈ⸗ˌ⸗ \
Definition of swan-neck
1
: something (such as a piece of pipe or railing) having a gooseneck or an ogee curve: such as
b
: a bend in a handrail of a stair consisting of a ramp terminating in a knee
c
: one of the S-shaped cornices of a scroll pediment