disjunct

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Characterized by separation.
• adjective Music Relating to progression by intervals larger than major seconds.
• adjective Zoology Having deep constrictions separating the head, thorax, and abdomen, as in insects.
• noun Logic A term in a disjunction.
• noun Linguistics An adverb or adverbial phrase that modifies a sentence to suggest the speaker's commentary on the content of the sentence, as with sadly in Sadly, we have no more dessert left.

from The Century Dictionary.

• Disconnected; separated; distinct. Specifically
• In entomology, having the head, thorax, and abdomen separated by a deep incision.

from the GNU version of the Collaborative International Dictionary of English.

• adjective rare Disjoined; separated.
• adjective (Zoöl.) Having the head, thorax, and abdomen separated by a deep constriction.
• adjective (Mus.) tetrachords so disposed to each other that the gravest note of the upper is one note higher than the acutest note of the other.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun logic One of multiple propositions, any of which, if true, confirm the validity of another proposition (a disjunction)
• noun linguistics Any sentence element that is not fully integrated into the clausal structure of the sentence.
• noun linguistics An adverbial that expresses the speaker's or writer's attitude towards, or descriptive statement of, the propositional content of the associated clause or sentence.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective marked by separation of or from usually contiguous elements
• adjective used of distributions, as of statistical or natural populations
• adjective progressing melodically by intervals larger than a major second
• adjective having deep constrictions separating head, thorax, and abdomen, as in insects