The C.37 strain of the SARS-CoV-2 virus that causes COVID-19.

(anatomy) Having three digits on a limb. / (biology) Composed of three movable parts attached to a common base.

simple past tense and past participle of flagellate

(slang, vulgar, derogatory) A stupid or annoying person. / (slang, vulgar, derogatory) A child.