1) Body part 2) Kind of artery 3) Pectoral 4) Pertaining to the chest 1) Pectoral 
pertaining to the chest 
• (a.) Of or pertaining to the thorax, or chest. • (n.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins.
(L. thoracicus; Gr. thorakikos) pertaining to or affecting the chest.
Pertaining to the thorax region or chest.
Having to do with the chest.
lying below or just before the pectoral fin base. 
Describes the chest area of the body, i.e., the area below the neck that is encased in ribs. Thoracic vertebrae are the bones of the spine in this region. A thoracic fracture is a break in the thoracic vertebrae.
<anatomy> Pertaining to or affecting the chest. ... Origin: L. Thoracicus, Gr. Thorakikos ... (18 Nov 1997) ... 
(thә-ras´ik) pertaining to the chest (thorax); called also pectoral.
Relating to the chest; the thoracic vertebrae are located between the cervical and lumbar vertebrae. 
First three segments.
Refers to the chest.
Tho·rac'ic adjective [ Confer French thoracique .] (Anat.) Of or pertaining to the thorax, or chest. Thoracic duct (Anat.) , Tho·rac'ic noun [ Confer French thoracique .] (Zoology) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins. 
Relating to the chest
Type: Term Pronunciation: thō-ras′ik Definitions: 1. Relating to the thorax. Synonyms: thoracal
Thoracic: Pertaining to the chest.
(tho-ras;ik) Pertaining to the chest region.
relating to the thorax, the part of a mammalian body between the neck and the abdomen
Pertaining to the chest.
pertaining to the chest
Referring to the chest area.
of or relating to the thorax