intercalary

• POS: Adjective
• HYPHEN: in=ter=ca=lar=y

CIDE DICTIONARY

intercalary, a. [L. intercalaris, intercalarius: cf. F. intercalaire. See Intercalate.].

•  Inserted or introduced among others in the calendar; as, an intercalary month, day, etc.; -- now applied particularly to the odd day (Feb. 29) inserted in the calendar of leap year. See Bissextile, n.  [1913 Webster]
•  Introduced or inserted among others; additional; supernumerary.  Owen.  [1913 Webster]

  "This intercalary line . . . is made the last of a triplet."  [1913 Webster]

Intercalary day (Med.), one on which no paroxysm of an intermittent disease occurs. Mayne.

OXFORD DICTIONARY

intercalary, adj.
1 a (of a day or a month) inserted in the calendar to harmonize it with the solar year, e.g. 29 Feb. in leap years. b (of a year) having such an addition.
2 interpolated; intervening.

Etymology

L intercalari(u)s (as INTERCALATE)

ROGET THESAURUS

intercalary

Interposition

N interposition, interjacence, intercurrence, intervenience, interlocation, interdigitation, interjection, interpolation, interlineation, interspersion, intercalation, interpenetration, permeation, infiltration, intervention, interference, intrusion, obtrusion, insinuation, insertion, dovetailing, embolism, intermediary, intermedium, go between, bodkin, intruder, interloper, parenthesis, episode, flyleaf, partition, septum, diaphragm, midriff, dissepiment, party wall, panel, room divider, halfway house, interjacent, intercurrent, intervenient, intervening, intermediate, intermediary, intercalary, interstitial, embolismal, parenthetical, episodic, mediterranean, intrusive, embosomed, merged, between, betwixt, twixt, among, amongst, amid, amidst, mid, midst, in the thick of, betwixt and between, sandwich-wise, parenthetically, obiter dictum.