adj. Having the flat, circular shape of a disc or a quoit
the GNU version of the Collaborative International Dictionary of English
adj. Disk-shaped; discoid.
The Century Dictionary and Cyclopedia
Same as discoid.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having a flat circular shape
Word Usage
"But, exactly in those respects in which the developing Man differs from the Dog, he resembles the ape, which, like man, has a spheroidal yelk-sac and a discoidal — sometimes partially lobed — placenta."