|1.||[ noun ] a person who goes before or announces the coming of another|
|Related terms:||person predecessor|
|2.||[ noun ] an indication of the approach of something or someone|
|Synonyms:||herald precursor harbinger|
|Related terms:||indication announce|
|3.||[ noun ] anything that precedes something similar in time|
"phrenology was an antecedent of modern neuroscience"