1º_ End of the penis, "glans" . The noun comes to us from the Latin balanus, i ("crustacean, acorn, suppository") which in the Middle Ages was already used as "glans", but the origin is Greek as 946; 945; 955; 945; 957; 959; 962; ( bálanos "bellota") . See microbalano . 2º_ Another spelling for balano .