Definition of pectorally in English:

pectorally

adverb

humorous, formal
  • In a pectoral manner or position; as regards the chest. Formerly also: †in accordance with a ‘pectoral’ diet (obsolete).

Origin

Mid 17th century; earliest use found in Martin Mason (fl. 1655–1676), religious writer. From pectoral + -ly.

Pronunciation

pectorally

/ˈpɛkt(ə)r(ə)li//ˈpɛkt(ə)rəli/