slab line

/S L AE1 B L AY0 N/
noun
  1. 1

    (nautical) A line or small rope by which sailors haul up the foot of the mainsail or foresail.

  2. 2

    (climbing) A climbing route that is characterized by a relatively low-angle rock face or slab that lacks significant vertical features such as large holds or overhangs.

  3. 3

    (optometry) The line on a pair of lenses that indicates where a slab-off prism has been applied.

  4. 4

    (electrical engineering) A central conductor surrounded by two planar ground slabs.

  5. 5

    (Texas, slang) An informal car club for customized slabs (luxury pre-1980 General Motors vehicles)