deltoidal

[del-toid-l]

adjective

of or relating to a river delta.

Origin of deltoidal

First recorded in 1830–40; deltoid + -al1
Related formssub·del·toi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for deltoidal

trilateral, cuneate, deltoid, hastate, pyramidal, pyriform, trigonal