This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A tall plant growing in the swamps of India; its pith is used to make hats.

n. See sola, 1.

"Imagine living for six continuous months in the hottest palm-house in Kew Gardens; yet the planter is out and about all day long; nearly always on pony back, however, an enormously thick solah toppee hat or a heavy white umbrella protecting his head."