(idiomatic) A miserable, wretched existence. / (idiomatic) A life of indolence where the individual may do as he or she pleases, just like a pampered dog.

Any industry that does not require high capitalization or heavy machinery.

Alternative form of offline

A wedge type shoe insert that affixes inside any footwear to make the user look taller, or to correct anatomical leg deficiencies.

A wedge-shaped shoe insert that can be affixed inside any footwear to make the wearer look taller.

Alternative spelling of lighthearted

(engineering) A line which serves as a reference or base for the measurement of other quantities.

(physics): In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time.

(photography) An exposure meter / Any of various devices that measure some property of light

(nautical) A ceremony performed on board ship when members of the crew or passengers cross the equator for the first time.