/
ˌspɛʃɪˈalɪti/
n.
 (pl. specialities)
  - a pursuit, area of study, or skill to which someone has devoted themselves and in which they are expert. 
▸a product for which a person or region is famous.
 - 
(usu. specialty)
 a branch of medicine or surgery.
 
Etymology
ME: from OFr. especialite or late L. specialitas, from L. specialis (see special).