A diminutive of the female given name Jessica.

(statistics) To give something a lower weight

(organic chemistry) The adenyl derivative of succinic acid 2-[[9-[3,4-dihydroxy-5-(phosphonooxymethyl)oxolan-2-yl]purin-6-yl]amino]butanedioic acid that plays a part in nucleotide metabolism.

(Australia, slang, euphemistic) Only used in no wucking furries.