bicuspid

American  

[bahy-kuhs-pid] / baɪˈkʌs pɪd /

adjective

1. Also bicuspidate having or terminating in two cusps or points, as certain teeth.

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noun

1. premolar.

bicuspid British  

/ baɪˈkʌspɪˌdeɪt, baɪˈkʌspɪd /

adjective

1. having or terminating in two cusps or points

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noun

1. a bicuspid tooth; premolar

bicuspid Scientific  

/ bī-kŭs′pĭd /

1. Having two points or cusps.

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1. A bicuspid tooth, especially a premolar.

Etymology

Origin of bicuspid

First recorded in 1830–40; bi- ¹ + cuspid

Example Sentences

The tooth is a wink at “One Morning in Maine,” an earlier Robert McCloskey book involving a wiggly bicuspid — or was it a molar?

From New York Times • Apr. 1, 2024

The Marines said Smith underwent successful surgery to repair a bicuspid aortic valve in his heart, which was the cause of his cardiac arrest.

From Seattle Times • Jan. 8, 2024

"I was born with a bicuspid aortic valve where you've only got two valves going to the aorta not three," he said.

From BBC • Dec. 12, 2022

They’re usually bicuspid in shape, which means they have two little points at the end.

From Slate • Jun. 1, 2021

In addition to these, a filling of tin amalgam had been inserted while the deceased was abroad, in the second left upper bicuspid, the rather gray spot that we have already noticed.

From The Eye of Osiris by Freeman, R. Austin (Richard Austin)