from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An integral or essential piece; that which must be done or accepted as part of something else.
from the GNU version of the Collaborative International Dictionary of English
- n. See under Part.
- n. an essential or constituent portion; -- a reduplicative phrase. Cf. might and main, kith and kin, etc.
"Parcel" is used in its archaic sense of "an integral or component part." Originally used as a legal term. (Wiktionary)