IPA: /tɛˈstɪkjʊlər/
KK: /tɛˈstɪkjələr/
Relating to a male reproductive gland that produces sperm and hormones.
The doctor explained the importance of testicular health during the check-up.
Testicular → It is formed from "testis" (from Latin, meaning witness or testicle) and the suffix "-cular" (meaning relating to). The word "testicular" refers to something that is related to the testicles, which are the male reproductive organs that produce sperm and hormones.
Think of 'testis' meaning 'witness' or 'testicle' — this helps you remember that 'testicular' relates to the testicles.