pannier vs wicker basket

pannier and wicker basket both are nouns.

Word	Noun	Adjective	Verb	Adverb
pannier	Yes	No	No	No
wicker basket	Yes	No	No	No

As nouns, wicker basket is a hypernym of pannier; that is, wicker basket is a word with a broader meaning than pannier:

pannier: a large basket (usually one of a pair) carried by a beast of burden or on by a person
wicker basket: a basket made of wickerwork

pannier (noun)	wicker basket (noun)
set of small hoops used to add fullness over the hips	a basket made of wickerwork
a large basket (usually one of a pair) carried by a beast of burden or on by a person
either of a pair of bags or boxes hung over the rear wheel of a vehicle (as a bicycle)