incisor
noun
in·ci·sor
in-ˈsī-zər 
: a front tooth typically adapted for cutting
especially
: one of the cutting teeth in mammals located between the canines when canines are present see tooth illustration
Examples of incisor in a Sentence
Recent Examples on the Web
Their upper and lower incisors can grow about a sixteenth of an inch each week.
—
Kate Perez, USA Today, 1 Feb. 2026
Elevating the area can also sharpen the contours of the philtrum and reveal a sliver of incisors when the lips are gently parted.
—Jolene Edgar, Allure, 27 Jan. 2026
From their elaborate burrows to their continuously growing incisors, there’s much to learn about these little fluff balls.
—Noel Kirkpatrick, Treehugger, 20 Jan. 2026
Instead of sweetening it, the relatives clamped a sugar cube between their incisors and loudly sucked the tea through it.
—Literary Hub, 20 Jan. 2026
See All Example Sentences for incisor
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kate Perez, USA Today, 1 Feb. 2026
Elevating the area can also sharpen the contours of the philtrum and reveal a sliver of incisors when the lips are gently parted.
—Jolene Edgar, Allure, 27 Jan. 2026
From their elaborate burrows to their continuously growing incisors, there’s much to learn about these little fluff balls.
—Noel Kirkpatrick, Treehugger, 20 Jan. 2026
Instead of sweetening it, the relatives clamped a sugar cube between their incisors and loudly sucked the tea through it.
—Literary Hub, 20 Jan. 2026
See All Example Sentences for incisor
Cite this Entry
“Incisor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incisor. Accessed 8 Feb. 2026.
Copy CitationKids Definition
incisor
noun
in·ci·sor
in-ˈsī-zər
: a front tooth for cutting
especially
: one of the cutting teeth between the canines of a mammal
Medical Definition
incisor
noun
in·ci·sor
in-ˈsī-zər
: a front tooth adapted for cutting
especially
: any of the eight cutting human teeth that are located between the canines with four in the lower and four in the upper jaw
Love words? Need even more definitions?
Merriam-Webster unabridged
