English helicoid meaning in English  •  helicoid का अर्थ अंग्रेजी में

Adjective

• Spiral; curved, like the spire of a univalve shell.
• Shaped like a snail shell; pertaining to the Helicidæ, or Snail family.

Noun

• A warped surface which may be generated by a straight line moving in such a manner that every point of the line shall have a uniform motion in the direction of another fixed straight line, and at the same time a uniform angular motion about it.