Men and women are likely to define sexual harassment differently. This can be attributed to the fact that, since our society is a paternal society, more power is given to males. Women are generally viewed as the weaker sex, and because of this are subjected to more forms of harassment. That's why, when asked, a women's list of harassment is likely to be more extensive than a male's.
No, men and women are not likely to define sexual harassment differently as both men and women understand that no means no. I believe that most people of either sex would agree than when a person does not consent to another person's advances or touching, harassment is occurring, and that neither sex is likely to say otherwise.