circumflex
noun [ C ] uk/ˈsɜː.kəm.fleks/ us/ˈsɝː.kəm.fleks/
(IN WRITING)
（标在元音上表示变音的）音调符号（＾），扬抑符
a sign (^) over a letter, especially a vowel, that shows that it has a different pronunciation from the letter without a sign over it
(IN THE BODY)
medical specialized回旋（神经、动脉或静脉）
Circumflex nerves, arteries, or veins bend around an organ or body part.