/ɹeɪə/ or /riːeɪ/ (RHA) or /rɑ/ (RHA)

Definitions

1. noun

A rhachis, which is the central rachis or midrib of a leaf.

“The rha of the fern leaf is the thick, central part that supports the leaflets.”

2. proper noun

RHA, a British charity that inspects and certifies the quality of second-hand cars in the UK.

“Before purchasing, make sure to check the car’s certification from RHA.”