Word:

  pectoral

1. pectoral (a)
  of or relating to the chest or thorax. "pectoral organ".

2. pectoral (n)
  an adornment worn on the chest or breast.

3. pectoral (n)
  either of two large muscles of the chest.

Words derived from pectoral
pectoral,  pectoral medallion,  musculus pectoralis,  pecs,  pectoral,  pectoral muscle,  pectoralis,  pectoral,  thoracic,  pectoral,  thoracic

Derived from adjective
chest,  pectus,  thorax

pectoral is an instance of
adornment,  skeletal muscle,  striated muscle

Word and things that fall within pectoral
greater pectoral muscle,  musculus pectoralis major,  pectoralis major,  musculus pectoralis minor,  pectoralis minor,  smaller pectoral muscle

pectoral is a part of or member of
chest,  pectus,  thorax

Pertainym (pertains to noun)
chest,  pectus,  thorax