pen·cil /ˈpɛn(t)səl/
  鉛筆,色筆,畫筆(vt.)用鉛筆寫或塗
  pen·cil /ˈpɛn(t)səl/ 名詞
  光線錐,筆劑,記錄筆(頭),射束,(光)束,鉛筆,毛撮
  pencil
  筆
  Pen·cil n.
  1. A small, fine brush of hair or bristles used by painters for laying on colors.
     With subtile pencil depainted was this storie.   --Chaucer.
  2. A slender cylinder or strip of black lead, graphite, colored chalk, slate etc., or such a cylinder or strip inserted in a small wooden rod intended to be pointed, or in a case, which forms a handle, -- used for drawing or writing. See Graphite.
  3. Hence, figuratively, an artist's ability or peculiar manner; also, in general, the act or occupation of the artist, descriptive writer, etc.
  4. Opt. An aggregate or collection of rays of light, especially when diverging from, or converging to, a point.
  5. Geom. A number of lines that intersect in one point, the point of intersection being called the pencil point.
  6. Med. A small medicated bougie.
  Pencil case, a holder for pencil lead.
  Pencil flower Bot., an American perennial leguminous herb (Stylosanthes elatior).
  Pencil lead, a slender rod of black lead, or the like, adapted for insertion in a holder.
  Pen·cil, v. t. [imp. & p. p. Penciled or Pencilled; p. pr. & vb. n. Penciling or Pencilling.] To write or mark with a pencil; to paint or to draw.
     Where nature pencils butterflies on flowers.   --Harte.
  ◄ ►
  pencil
       n 1: a thin cylindrical pointed writing implement; a rod of
            marking substance encased in wood
       2: graphite (or a similar substance) used in such a way as to
          be a medium of communication; "the words were scribbled in
          pencil"; "this artist's favorite medium is pencil"
       3: a figure formed by a set of straight lines or light rays
          meeting at a point
       4: a cosmetic in a long thin stick; designed to be applied to a
          particular part of the face; "an eyebrow pencil"
       v : write, draw, or trace with a pencil; "he penciled a figure"
       [also: pencilling, pencilled]