adj. of a fruit, conical in shape and attached to the stalk by the pointed end.
adj. Conical, but having the apex downward; inversely conical.
the GNU version of the Collaborative International Dictionary of English
adj. Conical, but having the apex downward; inversely conical.
The Century Dictionary and Cyclopedia
In natural history, inversely conical; conical, with the apex downward.
Word Usage
"The spikelets are one-to two-flowered, subsessile and subsecund on the branches which are produced as awn-like bristles beyond the ultimate spikelet, obscurely jointed and persistent on their obconic short pedicels, narrowly lanceolate and terete."