Help Wordnik hunt for a million missing words by backing our Kickstarter!


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One of the main cusps, at the anterolabial side.

from The Century Dictionary and Cyclopedia

  • n. That cusp in the lower premolars and molars which is homologous with the protocone in the corresponding teeth of the upper jaw. See protocone.


Sorry, no etymologies found.


  • The lower molars are closely spaced, with a high anterior cusp (protoconid) and lower posterior cusp (hypoconid).

    PLoS ONE Alerts: New Articles


Log in or sign up to get involved in the conversation. It's quick and easy.