The term 'bobs, beehives, and buns' refers to three different types of hairstyles. The first, a bob, is a short haircut that is cut straight around the head at about jaw-length. The second, a beehive, is a tall, conical HAIRSTYLE popularized in the 1960s. The third, a bun, is a HAIRSTYLE in which the hair is twisted or plaited and wrapped around itself into a circular shape. The crossword solutions for this term are 'HAIRDOS' (7 letters) and 'DOS' (3 letters). 'HAIRDOS' is a general term for any type of HAIRSTYLE, while 'dos' is a shortened form of the word 'HAIRSTYLE'.