Definitions

1. noun

singular or plural of columella; small pillar or column, especially one supporting the roof of a Roman building

“The archaeologist examined the ancient structure, noting the intricate network of columellae that held it together.”

2. noun

small conical or cylindrical body, especially one of the sensory organs on the antennae of certain insects, such as bees and wasps

“The entomologist studied the bee’s antennae, observing the delicate columellae that detected vibrations in the air.”