ceil

/siหl/

IPA: /S IY1 L/

verb
  1. 1

    To line or finish (a surface, such as a wall), with plaster, stucco, thin boards, or similar.

  2. 2

    To set a higher bound.

noun
  1. 1

    A ceiling

noun
  1. 1

    The overhead closure of a room.

    โ€œthe dining room had an ornate ceilingโ€

  2. 2

    The upper limit of an object or action.

  3. 3

    The highest altitude at which an aircraft can safely maintain flight.

  4. 4

    The measurement of visible distance from ground or sea level to an overcast cloud cover; under a clear sky, the ceiling measurement is identified as "unlimited."

  5. 5

    The smallest integer greater than or equal to a given number.

    โ€œthe ceiling of 4.5 is 5, the ceiling of -4.5 is -4โ€

  6. 6

    The inner planking of a vessel.

Antonyms

Source: https://en.wiktionary.org/wiki/ceil