Meanings
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1
noun
one of a pair of bags carried across or beside a saddle, or a similar bag fitted to a bicycle or motorcycle
The rider packed food and a blanket in each saddlebag.
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2
noun
informal, usually plural: a bulge of fat around the outer upper thighs
The advertisement made insulting claims about eliminating saddlebags.
Thesaurus
Etymology
A compound of saddle + bag, recorded in the eighteenth century for one of a pair of pouches carried over a horse's saddle. The term later extended to bags on bicycles and motorcycles and, by visual comparison, to bulges at the outer thighs.