esoterica

es·o·ter·i·ca

E0213100 (ĕs′ə-tĕr′ĭ-kə)pl.n. (used with a sing. or pl. verb) Esoteric matters or items.

[Greek esōterika, from neuter pl. of esōterikos, esoteric; see esoteric.]

(ˌɛsəʊˈtɛrɪkə) pl nesoteric items

(ˌɛs əˈtɛr ɪ kə)

n.pl. esoteric facts or matters. [1925–30; < New Latin, n. use of neuter pl. of Greek esōterikós esoteric]

a collection of items of a special, rare, novel, or unusual quality.See also: Novelty

a collection of items of special, rare, or unusual interest, often pornographic.See also: Collections and Collecting

Thesaurus

Noun

esoterica - secrets known only to an initiated minorityarcanum, secret - information known only to a special group; "the secret of Cajun cooking"