| decussate | In pairs, with successive pairs borne at right angles to each other. (09 Oct 1997) |
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| decussated | 1. Crossed; intersected. 2. <botany> Growing in pairs, each of which is at right angles to the next pair above or below; as, decussated leaves or branches. 3. Consisting of two rising and two falling clauses, placed in alternate opposition to each other; as, a decussated period. Source: Websters Dictionary (01 Mar 1998) |