[1] : The Collaborative International Dictionary of English v.0.48

neck \neck\ ne^k, n. oe. necke, as. hnecca; akin to d. nek
   the nape of the neck, g. nacken, ohg. nacch, hnacch, icel.
   hnakki, sw. nacke, dan. nakke.
   1. the part of an animal which connects the head and the
      trunk, and which, in man and many other animals, is more
      slender than the trunk.
      1913 webster

   2. any part of an inanimate object corresponding to or
      resembling the neck of an animal; as:
      a the long slender part of a vessel, as a retort, or of
          a fruit, as a gourd.
      b a long narrow tract of land projecting from the main
          body, or a narrow tract connecting two larger tracts.
      c mus. that part of a violin, guitar, or similar
          instrument, which extends from the head to the body,
          and on which is the finger board or fret board.
          1913 webster

   3. mech. a reduction in size near the end of an object,
      formed by a groove around it; as, a neck forming the
      journal of a shaft.
      1913 webster

   4. bot. the point where the base of the stem of a plant
      arises from the root.
      1913 webster

   neck and crop, completely; wholly; altogether; roughly and
      at once. colloq.

   neck and neck racing, so nearly equal that one cannot be
      said to be before the other; very close; even; side by
      side.

   neck of a capital. arch. see gorgerin.

   neck of a cascabel gun., the part joining the knob to the
      base of the breech.

   neck of a gun, the small part of the piece between the
      chase and the swell of the muzzle.

   neck of a tooth anat., the constriction between the root
      and the crown.

   neck or nothing fig., at all risks.

   neck verse.
      a the verse formerly read to entitle a party to the
          benefit of clergy, said to be the first verse of the
          fifty-first psalm, "miserere mei," etc. --sir w.
          scott.
      b hence, a verse or saying, the utterance of which
          decides one's fate; a shibboleth.

                these words, "bread and cheese," were their neck
                verse or shibboleth to distinguish them; all
                pronouncing "broad and cause," being presently
                put to death.                     --fuller.

   neck yoke.
      a a bar by which the end of the tongue of a wagon or
          carriage is suspended from the collars of the
          harnesses.
      b a device with projecting arms for carrying things as
          buckets of water or sap suspended from one's
          shoulders.

   on the neck of, immediately after; following closely; on
      the heel of. "committing one sin on the neck of another."
      --w. perkins.

   stiff neck, obstinacy in evil or wrong; inflexible
      obstinacy; contumacy. "i know thy rebellion, and thy stiff
      neck." --deut. xxxi. 27.

   to break the neck of, to destroy the main force of; to
      break the back of. "what they presume to borrow from her
      sage and virtuous rules . . . breaks the neck of their own
      cause." --milton.

   to harden the neck, to grow obstinate; to be more and more
      perverse and rebellious. --neh. ix. 17.

   to tread on the neck of, to oppress; to tyrannize over.
      1913 webster
see also:
neck and crop neck and neck neck of a capital gorgerin neck of a cascabel neck of a gun 
neck of a tooth neck or nothing neck verse neck yoke on the neck of 
stiff neck to break the neck of to harden the neck to tread on the neck of 

[2] : The Collaborative International Dictionary of English v.0.48

crop \crop\ kro^p, n. oe. crop, croppe, craw, top of a
   plant, harvest, as. crop, cropp, craw, top, bunch, ear of
   corn; akin to d. krop craw, g. kropf, icel. kroppr hump or
   bunch on the body, body; but cf. also w. cropa, croppa, crop
   or craw of a bird, ir.  gael. sgroban. cf. croup,
   crupper, croup.
   1. the pouchlike enlargement of the gullet of birds, serving
      as a receptacle for food; the craw.
      1913 webster

   2. the top, end, or highest part of anything, especially of a
      plant or tree. obs. "crop and root." --chaucer.
      1913 webster

   3. that which is cropped, cut, or gathered from a single
      felld, or of a single kind of grain or fruit, or in a
      single season; especially, the product of what is planted
      in the earth; fruit; harvest.
      1913 webster

            lab'ring the soil, and reaping plenteous crop,
            corn, wine, and oil.                  --milton.
      1913 webster

   4. grain or other product of the field while standing.
      1913 webster

   5. anything cut off or gathered.
      1913 webster

            guiltless of steel, and from the razor free,
            it falls a plenteous crop reserved for thee.
                                                  --dryden.
      1913 webster

   6. hair cut close or short, or the act or style of so
      cutting; as, a convict's crop.
      1913 webster

   7. arch. a projecting ornament in carved stone.
      specifically, a finial. obs.
      1913 webster

   8. mining.
      a tin ore prepared for smelting.
      b outcrop of a vein or seam at the surface. --knight.
          1913 webster

   9. a riding whip with a loop instead of a lash.
      1913 webster

   neck and crop, altogether; roughly and at once. colloq.
      1913 webster
see also:
croup crupper neck and crop 

Crop >> C Words
Crop, definition of term: Crop
crop_pag1.html

Crop Up >> C Words
Crop Up, definition of term: Crop Up
crop+up_pag1.html

Goose Neck >> G Words
Goose Neck, definition of term: Goose Neck
goose+neck_pag1.html

Colts Neck >> C Words
Colts Neck, definition of term: Colts Neck
colts+neck_pag1.html

Cover Crop >> C Words
Cover Crop, definition of term: Cover Crop
cover+crop_pag1.html