decussate[dē kus′āt′, dek′ə sāt′; for adj., usually di kus′it]
Origin: ; from Classical Latin decussatus, past participle of decussare, to cross inch(es) the form of an ; from decussis, the figure ten (X) ; from decem, ten
- forming an ; decussated
- Bot. arranged in pairs growing at right angles to those above and below: said of leaves or branches
- decussately adverb
Used by arrangement with John Wiley & Sons, Inc.
tr. & intr.v. de·cus·sat·ed, de·cus·sat·ing, de·cus·sates
- Intersected or crossed in the form of an X.
- Botany Arranged on a stem in opposite pairs at right angles to those above or below, resulting in four vertical rows: decussate leaves.
Origin: Latin decussāre, decussāt-, from decussis, the number ten, intersection of two lines (from the Romans' use of X for the numeral 10), a ten-as coin : decem, ten; see dekm̥ in Indo-European roots + assis, as (coin).
- de·cusˈsateˌly adverb
decussate - Medical Definition