Exogamy, eks-og′a-mi, n. the practice of marrying only outside of one's own tribe.—adj. Exog′amous. [Gr. exo, out, gamos, marriage.]

Exogen, eks′o-jen, n. a plant belonging to the great class that increases by layers growing on the outside of the wood.—adj. Exog′enous (-oj′), growing by successive additions to the outside. [L. exō, outside, and gen, root of gignesthai, to be produced.]

Exomis, eks-ō′mis, n. a sleeveless vest, worn by workmen and slaves—(Browning) Exō′mion. [Gr. exōmisex, out, ōmos, shoulder.]

Exon, eks′on, n. one of the four officers of the yeomen of the Royal Guard. [App. intended to express the pronunciation of Fr. exempt (Dr Murray).]

Exonerate, egz-on′ėr-āt, v.t. to free from the burden of blame or obligation: to acquit.—n. Exonerā′tion, act of exonerating or freeing from a charge or blame.—adj. Exon′erative, freeing from a burden or obligation. [L. exonerāre, -ātumex, from, onus, oneris, burden.]

Exophagy, eks-of′a-ji, n. the custom among cannibals of eating only the flesh of persons not of their own tribe.—adj. Exoph′agous. [Formed from Gr. exō, outside, phagein, to eat.]

Exorable, ek′sō-ra-bl, adj. capable of being moved by entreaty.—n. Exorā′tion, entreaty.

Exorbitant, egz-or′bi-tant, adj. going beyond the usual limits: excessive.—ns. Exor′bitance, Exor′bitancy, extravagance: enormity.—adv. Exor′bitantly.—v.i. Exor′bitāte, to stray. [L. exorbitans, -antis, pr.p. of exorbitāreex, out of, orbita, a track—orbis, a circle.]

Exorcise, eks′or-sīz, or eks-or′-, v.t. to adjure by some holy name: to call forth or drive away, as a spirit: to deliver from the influence of an evil spirit.—ns. Ex′orcism, act of exorcising or expelling evil spirits by certain ceremonies: a formula for exorcising; Ex′orcist, one who exorcises or pretends to expel evil spirits by adjurations: (R.C. Church) the third of the minor orders. [Through Late L., from Gr. exorkizeinex, out, horkos, an oath.]

Exordium, egz-or′di-um, n. the introductory part of a discourse or composition.—adj. Exor′dial, pertaining to the exordium: introductory. [L. exordīriex, out, ordīri, to begin.]