(botany) Arranged on a stem in opposite pairs, at right angles to those above or below.
(bot.) Arranged in pairs growing at right angles to those above and below.
To cross or become crossed so as to form an X; intersect.
Intersected or crossed in the form of an X.
To cross or cut so as to form an X; intersect.
Forming an X; decussated.
Crossed; intersected; resembling a letter X.
(rhetoric) Consisting of two rising and two falling clauses, placed in alternate opposition to each other.
A decussated period.
Origin of decussate
- 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 dekm̥ in Indo-European roots assis as (coin)
From American Heritage Dictionary of the English Language, 5th Edition