1. [n]  protective covering consisting of a metal part that covers the engine
2. [n]  protective covering consisting of a hinged metal part that covers the engine
3. [n]  a headdress that protects the head and face
4. [n]  the folding roof of a carriage
5. [n]  metal covering leading to a vent that exhausts smoke or fumes
6. [n]  an aggressive and violent young criminal
7. [v]  cover with a hood; "The bandits were hooded"

1. \-hood\ [OE. hod, had, hed, hede, etc., person, rank,
   order, condition, AS. h[=a]d; akin to OS. h[=e]d, OHG. heit,
   G. -heit, D. -heid, Goth. haidus manner; cf. Skr. k[=e]tu
   brightness, cit to appear, be noticeable, notice. [root]217.
   Cf. {-head}.]
   A termination denoting state, condition, quality, character,
   totality, as in manhood, childhood, knighthood, brotherhood.
   Sometimes it is written, chiefly in obsolete words, in the
   form -head.
   

2. \Hood\, n. [OE. hood, hod, AS. h[=o]d; akin to D. hoed hat,
   G. hut, OHG. huot, also to E. hat, and prob. to E. heed.
   [root]13.]
   1. State; condition. [Obs.]
            How could thou ween, through that disguised hood To
            hide thy state from being understood? --Spenser.
   2. A covering or garment for the head or the head and
      shoulders, often attached to the body garment; especially:
      (a) A soft covering for the head, worn by women, which
          leaves only the face exposed.
      (b) A part of a monk's outer garment, with which he covers
          his head; a cowl. ``All hoods make not monks.''
          --Shak.
      (c) A like appendage to a cloak or loose overcoat, that
          may be drawn up over the head at pleasure.
      (d) An ornamental fold at the back of an academic gown or
          ecclesiastical vestment; as, a master's hood.
      (e) A covering for a horse's head.
      (f) (Falconry) A covering for a hawk's head and eyes. See
          Illust. of {Falcon}.
   3. Anything resembling a hood in form or use; as:
      (a) The top or head of a carriage.
      (b) A chimney top, often contrived to secure a constant
          draught by turning with the wind.
      (c) A projecting cover above a hearth, forming the upper
          part of the fireplace, and confining the smoke to the
          flue.
      (d) The top of a pump.
      (e) (Ord.) A covering for a mortar.
      (f) (Bot.) The hood-shaped upper petal of some flowers, as
          of monkshood; -- called also {helmet}. --Gray.
      (g) (Naut.) A covering or porch for a companion hatch.
   4. (Shipbuilding) The endmost plank of a strake which reaches
      the stem or stern.
   

3. \Hood\, v. t. [imp. & p. p. {Hooded}; p. pr. & vb. n.
   {Hooding}.]
   1. To cover with a hood; to furnish with a hood or
      hood-shaped appendage.
            The friar hooded, and the monarch crowned. --Pope.
   2. To cover; to hide; to blind.
            While grace is saying, I'll hood mine eyes Thus with
            my hat, and sigh and say, ``Amen.''   --Shak.
   {Hooding end} (Shipbuilding), the end of a hood where it
      enters the rabbet in the stem post or stern post.
   

Hierarchical Object Oriented Design: a method for Architectural Design primarily for software to be developed in Ada, leading to automated checking, documentation and source code generation.

(Heb. tsaniph) a tiara round the head (Isa. 3:23; R.V., pl., "turbans"). Rendered "diadem," Job 29:14; high priest's "mitre," Zech. 3:5; "royal diadem," Isa. 62:3.