mathom

Etymology
, from ; introduced by J. R. R. Tolkien in The Lord of the Rings with the conceit that it was a translation of Adûni kast, a word used by Hobbits as a generic name for items which they were unwilling to throw away, but which they had no use for.

Noun

 * 1) A trinket or piece of bric-a-brac; a knick-knack, often used in regifting.

Synonyms

 * See Thesaurus:trinket