Parasole vs. ombrellino
Both 'parasole' and 'ombrellino' refer to sun protection devices in Italian, but they have subtle differences in usage and connotation.
Parasole
'Parasole' is a general term for a sunshade or parasol, typically larger and used outdoors.
Ho dimenticato il parasole per la spiaggia.
(I forgot the beach umbrella.)
Il parasole del giardino è molto grande.
(The garden parasol is very large.)
Ombrellino
'Ombrellino' refers to a smaller, more delicate parasol, often used for personal sun protection or as a fashion accessory.
La signora elegante portava un ombrellino di pizzo.
(The elegant lady carried a lace parasol.)
L'ombrellino da cocktail era decorato con fiori.
(The cocktail parasol was decorated with flowers.)
Summary
While 'parasole' is used for larger sunshades like beach or garden umbrellas, 'ombrellino' typically describes smaller, more decorative parasols used for personal use or ornamentation. 'Parasole' is more practical, while 'ombrellino' often has a more fashionable or dainty connotation.