Hey Verity, yes, I'd also think a bob is hair that when it's dry is above shoulder length. To be sure to get what you want or at least to let your stylist know what you have in mind, I suggest you take a picture of the style you want.
3a/b, fine, medium porositiy
CG since February 2010

co-wash: suave, cj daily fix, cj smoothing conditioner
dt:mop top dc, cj curl rehab, spritz&condish
pt:cj curl fix
styler: KCCC+KCKT, Jessicurl, AG RE:Coil, CJ CCCC Lite,
Komaza Coconut Pudding... (and much more, I'm a pj)
German/American Curly Girl living in Germany