English Reference
noun

almanac

n.
US /ˈɑɫməˌnæk/ UK /ˈɒlmɐnˌæk/ al·manac UK spelling almanac's, almanac's

  1. 01 C2 Proficiency General-service Science

    a book or table that lists events for the year, such as the positions of the stars, the tides, and the weather.

    an annual publication containing a calendar with astronomical data, tide tables, and often weather forecasts or seasonal information.

    Simple

    The farmer checked his almanac to see when the first frost was expected.

    In context

    Historically, the nautical almanac was an essential tool for navigators, providing the precise celestial coordinates required to determine a ship's position at sea.

    Usage

    Usually used with the definite article 'the' when referring to a specific publication.

    calendarephemerisyearbook
  2. 02 C2 Proficiency General-service

    a book published every year that gives facts and statistics about many different subjects.

    a yearly handbook containing a collection of miscellaneous facts, statistical data, and information on a specific subject or field.

    Simple

    You can look up the population of any country in this world almanac.

    In context

    The political almanac provides a comprehensive breakdown of voting patterns and legislative achievements for every sitting member of parliament.

  3. 03 C2 Proficiency Technical Computing

    a digital signal from a satellite that tells a GPS device where all the other satellites are.

    a set of data transmitted by every GPS satellite containing coarse orbit and status information for all satellites in the constellation.

    Simple

    The GPS receiver needs to download the latest almanac before it can find your location.

    In context

    If a GPS device has been powered off for several months, it must acquire a new almanac to efficiently locate available satellite signals.

    Usage

    Often used in the context of 'acquiring' or 'downloading' the data.

    orbital data

OTTAWA — For those who take the Farmers’ Almanac as gospel, best stock up on driveway salt now.

Toronto Sun· 20 Aug 2026

From Middle English almenak, from Old French almanach, from Medieval Latin almanachus, from Andalusian Arabic الْمَنَاخ (al-manāḵ, “almanac, calendar”), from Arabic الْمُنَاخ (al-munāḵ, “climate”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Arabic مناخ
Level C2 · Proficiency
Frequency Occasional
Updated