Merriam-Webster's Collegiate® Dictionary, 11th Edition
LIMBO
I. noun (plural limbos)
Etymology: Middle English, from Medieval Latin, ablative of limbus limbo, from Latin, border
Date: 14th century
an abode of souls that are according to Roman Catholic theology barred from heaven because of not having received Christian baptism,
2. a place or state of restraint or confinement, a place or state of neglect or oblivion , an intermediate or transitional place or state, a state of uncertainty,
II. noun (plural limbos)
Etymology: English of Trinidad & Barbados; akin to Jamaican English limba to bend, from English 3limber
Date: circa 1950
a dance or contest that involves bending over backwards and passing under a horizontal pole lowered slightly for each successive pass