/ Dictionary / Index E exsiccatum: Meaning and Definition of Find definitions for: ex•sic•ca•tum Pronunciation: (ek"si-kā'tum), [key] — pl. -tums, -ta a specimen intentionally dried, esp. for herbarium display. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. exsiccate exsolution Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language