1.
the 15th letter of the English alphabet, representing a vowel sound
2.
something shaped like a letter "O"
4.
a written representation of the letter "o"
5.
a human blood type of the ABO system containing the O antigen.
6.
a common blood group in the ABO system
1.
the 15th letter of the English alphabet, representing a vowel sound
2.
something shaped like a letter "O"
4.
a written representation of the letter "o"
5.
a human blood type of the ABO system containing the O antigen.
6.
a common blood group in the ABO system