- 1. a. Spiral; curved, like the spire of a univalve shell. Source: opted
- 2. a. Shaped like a snail shell; pertaining to the Helicidae, or Snail family. Source: opted
- 3. n. 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. Source: opted
- 4. 1. Spiral; curved, like the spire of a univalve shell. 2. (Zoöl.) Shaped like a snail shell; pertaining to the Helicidæ, or Snail family. Helicoid parabola (Math.), the parabolic spiral. 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. Source: webster
- 5. Shaped like a snail shell; pertaining to the Helicidæ, or Snailfamily. Helicoid parabola (Math.), the parabolic spiral. Source: adambom
- 6. a. Spiral; curved, like the spire of a univalve shell. a. Shaped like a snail shell; pertaining to the Helicidae, or Snail family. n. 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. Source: ecdict
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