Final remark before leaving conversation.

A gift given to someone who is leaving; a leaving present.

Boundary where mold halves meet.

Ending association or relationship amicably.

Tool used for cutting grooves.

Final remarks before leaving situation.

Substance preventing adhesion between surfaces.

(also known as current lineation or primary current lineation) a subtle sedimentary structure in which sand grains are aligned in parallel lines or grooves on the surface of a body of sand (or lithified as a sandstone).Boggs, S., Principles of Sedimentology and Stratigraphy, 3rd Ed., pgs.