What is the meaning of Amygdala?

Each one of the two regions of the brain, located as a pair in the medial temporal lobe, believed to play a key role in processing emotions, such as fear and pleasure, in both animals and humans.

amygdala

almond tree

almond

tonsil

nominative/accusative/vocative plural of amygdalum

Pre-reform spelling (used until 1943 in Brazil and 1911 in Portugal) of amígdala.

Source: wiktionary.org