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 (ĭn-tûr′kə-lĕr′ē, ĭn′tər-kăl′ə-rē)
a. Inserted in the calendar to make the calendar year correspond to the solar year. Used of a day or month.
b. Having such a day or month inserted. Used of a year.
2. Inserted between other elements or parts; interpolated.

[Latin intercalārius, intercalāris, from intercalāre, to intercalate; see intercalate.]


(ɪnˈtɜːkələrɪ) or


1. (Horology) (of a day, month, etc) inserted in the calendar
2. (Horology) (of a particular year) having one or more days inserted
3. inserted, introduced, or interpolated
4. (Botany) botany growing between the upper branches and the lower branches or bracts on a stem
[C17: from Latin intercalārius; see intercalate]
inˈtercalarily adv


(ɪnˈtɜr kəˌlɛr i, ˌɪn tərˈkæl ə ri)

1. interpolated; interposed.
2. inserted or interpolated in the calendar, as an extra day or month.
3. (of a year) having such an inserted day, month, etc.
[1605–15; < Latin intercalārius=intercal(āre) to intercalate + -ārius -ary]
in•ter′ca•lar`i•ly, adv.


inserted into the calendar, as the twenty-ninth day of February in a leap year. — intercalation, n.intercalative, adj.
See also: Calendar
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.intercalary - having a day or month inserted to make the calendar year correspond to the solar year: "Feb. 29 is an intercalary day"; "a leap year is an intercalary year"
additive - characterized or produced by addition; "an additive process"


adjSchalt-; intercalary daySchalttag m
References in periodicals archive ?
An intercalary month, or adhimasa, was from time to time added to
Blasien's computistical writings that deals with the subject of intercalary days:
Hylids are distinguished by the intercalary cartilage, an extra phalangeal element that separates the distal end of the toe, which may contain an expanded pad.
The fraction was taken care of by running a cycle of three 365-day years followed by a "leap" year of 366 days, with the extra or intercalary day added as February 29.
have lost track of the commitment of some of their ancestors to the concept of community and to the intercalary structures such as the family that facilitate the integration of the individual in the larger social fabric.
For a time, the intercalary period was introduced every other year between February 23 and 24.
Using genetic fingerprinting to identify the rye chromatin in the wheat plants, the scientists found three types of translocations: two terminal and one intercalary.
Lateral extensions of body blotches may reach ventral scales; these markings and the intercalary lateral blotches are dark and enlarged.
Stem lengthening is produced by intercalary meristems above each node and this growth pattern produces a relatively rapid extension (Stewart & Rothwell, 1993).
The entries occur in the intercalary sixth month and in the
6) Forming the medial aspect of this joint is the clavicle, which functions as an intercalary strut between the axial skeleton and the upper limb via the acromioclavicular and coracoclavicular ligaments, which anchor it to the scapula.