Definition of petites:
(adj) :
(especially of a woman) Fairly short and of slim build.
(adj) :
(clothing) Of small size; intended for small-framed adult women.
(adj) :
Small, little; insignificant; petty.
(n) :
(genetics) A mutant first discovered in the yeast Saccharomyces cerevisiae, forming small colonies when grown in the presence of fermentable carbon sources such as glucose.
(n) :
A surname.