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

tapeline \tape"line`\, n.
   a painted tape, marked with linear dimensions, as inches,
   feet, etc., and often inclosed in a case, -- used for
   measuring.
   1913 webster

[2] : WordNet (r) 2.0

tapeline
     n : measuring instrument consisting of a narrow strip cloth or
         metal marked in inches or centimeters and used for
         measuring lengths; "the carpenter should have used his
         tape measure" syn: tape, tape measure
see also:
tape tape measure 

Tapeline >> T Words
Tapeline, definition of term: Tapeline
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