decussate leaves

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• decussate — I. verb ( sated; sating) Etymology: Latin decussatus, past participle of decussare to arrange crosswise, from decussis the number ten, numeral X, intersection, from decem + ass , as unit more at ace Date: 1658 intersect, cross II. adjective …   New Collegiate Dictionary

• Decussate — De*cus sate, Decussated De*cus sa*ted, a. 1. Crossed; intersected. [1913 Webster] 2. (Bot.) Growing in pairs, each of which is at right angles to the next pair above or below; as, decussated leaves or branches. [1913 Webster] 3. (Rhet.)… …   The Collaborative International Dictionary of English

• decussate — [dē kus′āt΄, dek′ə sāt΄; ] for adj., usually [ di kus′it] vt., vi. decussated, decussating [< L decussatus, pp. of decussare, to cross in the form of an X < decussis, the figure ten (X) < decem, TEN] to cross or cut so as to form an X;… …   English World dictionary

• decussate — adj. & v. adj. 1 X shaped. 2 Bot. with pairs of opposite leaves etc. each at right angles to the pair below. v.tr. & intr. 1 arrange or be arranged in a decussate form. 2 intersect. Derivatives: decussation n. Etymology: L decussatus past part.… …   Useful english dictionary

• decussate — decussately, adv. v. /di kus ayt, dek euh sayt /; adj. /di kus ayt, it/, v., decussated, decussating, adj. v.t., v.i. 1. to cross in the form of an X; intersect. adj. 2. in the form of an X; crossed; intersected. 3. Bot. arranged along the stem… …   Universalium

• decussate — 1. adjective a) X like. b) Having opposite leaves arranged alternately at right angles. 2. verb To form an X or to cross or intersect …   Wiktionary

• decussate — technical verb dɪ kʌseɪt, dɛkəseɪt (of two or more things) cross or intersect. adjective dɪ kʌsət 1》 shaped like an X. 2》 Botany (of leaves) arranged in opposite pairs. Derivatives decussation noun Origin C17: from L. decussatus, past participle… …   English new terms dictionary

• decussate —   Of leaves or other lateral organs, in opposite pairs, the successive pairs being borne at right angles to each other.   Cf. alternate, opposite …   Expanded glossary of Cycad terms

• decussate — de•cus•sate v. [[t]dɪˈkʌs eɪt, ˈdɛk əˌseɪt[/t]] adj. [[t]dɪˈkʌs eɪt, ɪt[/t]] v. sat•ed, sat•ing, adj. 1) to cross in the form of anX; intersect 2) having the form of anX 3) bot arranged along the stem in pairs, each pair at right angles to the… …   From formal English to slang

• decussate — verb (decussated, decussating) –verb (t) /diˈkʌseɪt/ (say dee kusayt), /ˈdɛkəseɪt/ (say dekuhsayt) 1. to cross in the form of the letter X. –verb (i) /diˈkʌseɪt/ (say dee kusayt), /ˈdɛkəseɪt/ (say dekuhsayt) 2. to intersect. –adjective… …  

• Acanthaceae — Taxobox name = Acanthaceae image width = 250px image caption = Flowers of Odontonema cuspidatum regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Lamiales familia = Acanthaceae familia authority = Juss. type genus = Acanthus …   Wikipedia