One who travels in a caravan (convoy or procession). / (UK, Australia, New Zealand) One who travels or stays in a caravan (furnished vehicle used as a dwelling).

The third reindeer of Santa Claus.

clover (of genus Trifolium) / Halophila baillonis, a rare seagrass.

(pathology) The abnormal deposition of phospholipids, especially in the alveoli