Definitions for tapeline
tape, tapeline, tape measure(noun)
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"
A line of lightweight plastic put up around a crime scene bearing words such as "Police Line - Do not cross."
A tape measure.
Origin: tape + line
a painted tape, marked with linear dimensions, as inches, feet, etc., and often inclosed in a case, -- used for measuring