A fixed grimace or grin.
Early 19th century: from Latin, literally ‘open mouth’, from rict- ‘gaped’, from the verb ringi.
“They stood, faces frozen in rictus through sheer terror.”
A pale golden or tan-coloured horse or pony with a white mane and tail, originally bred in the south-western US.
Early 20th century: from Latin American Spanish, from Spanish palomino ‘young pigeon’, from Latin palumbinus ‘resembling a dove’.