Insole
Pronunciation : In"sole`
Part of Speech : n.
Definition : Defn: The inside sole of a boot or shoe; also, a loose, thin strip of leather, felt, etc., placed
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder