Proper noun
Southsea
A suburb of Portsmouth, Hampshire, England.
Parliamentarian troops were sent to besiege Portsmouth by land ; the guns of Southsea Castle were fired at the royalist garrison in the town. Source: Internet
From 1880 to 1883, Wells had an unhappy apprenticeship as a draper at the Southsea Drapery Emporium, Hyde's. Source: Internet