bimestrial

bi·mes·tri·al  (b-mstr-l)

adj.

1. Occurring every two months; bimonthly.

2. Lasting two months.

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[From Latin bimstris : bi-, two; see bi-¹ + mnsis, month; see m-² in Indo-European roots.]

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bimestrial [baɪˈmɛstrɪəl]

adj

1. lasting for two months

2. a less common word for bimonthly [1]

[from Latin bimēstris, from bi-¹ + mēnsis month]

bimestrially  adv

Thesaurus

Adj.	1.	bimestrial - occurring every two months; "bimonthly visits" bimonthly periodic, periodical - happening or recurring at regular intervals; "the periodic appearance of the seventeen-year locust"
	2.	bimestrial - two months long; lasting two months long - primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified; "a long life"; "a long boring speech"; "a long time"; "a long friendship"; "a long game"; "long ago"; "an hour long"