mammillate

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Having nipples or mammillae.
• adjective Shaped like a nipple or mammilla.

from The Century Dictionary.

• In anatomy and zoology
• Having a mammilla or mammillæ; provided with mammillary processes: specifically applied.
• in entomology, to the palp of an insect the last joint of which is smaller than the preceding and retracted within it
• in conchology, to a shell whose apex is teat-like.
• Mammillary in form; shaped like a nipple.
• In botany, bearing little nipple-shaped prominences on the surface.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Having small nipples, or small protuberances like nipples or mammæ.
• adjective (Zoöl.) Bounded like a nipple; -- said of the apex of some shells.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Having small nipples, or small protuberances like nipples or mammae.
• adjective Bounded like a nipple; said of the apex of some shells.