Pectinate line

What is Pectinate line?

Pectinate line definition and meaning on Dictionary terms:
of, in, on, or pertaining to the chest or breast; thoracic.
worn on the breast or chest.
proceeding from the heart or inner consciousness.
Speech. (of a vocal quality) appearing to come from resonance in the chest; full or deep.

of or for diseases of the lungs.

Anatomy. a pectoral part or organ, as a pectoral muscle.
pectoral fin.

something worn on the breast for ornament, protection, etc., as a breastplate.