favellidium

[ fav-uh-lid-ee-uh m ]
/ ˌfæv əˈlɪd i əm /

noun, plural fav·el·lid·i·a [fav-uh-lid-ee-uh] /ˌfæv əˈlɪd i ə/.

(in certain red algae) a cystocarp wholly or partly immersed in a frond.

Origin of favellidium

From New Latin, dating back to 1855–60; see origin at favella, -idium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019