Assertion: narwhal's tooth | /r/CapableOf | protrude through upper lip
Facets:
value: in a spiral form
type: MANNER
Source sentences:
text: In males the right tooth remains embedded, but the left tooth erupts, protrudes through the upper lip, and grows forward in a counterclockwise spiral pattern to form a long, straight tusk.
text: The smooth, white tusk is normally found only on males and is the result of extreme growth of the left elongated maxillary tooth that protrudes through the upper lip in a spiral form.