Emily Dickinson Lexicon

CO-HE'SION, n. [s as z. Ir. coesione; from L. cohæsi, pret. of cohæreo.]

1. The act of sticking together; the state of being united by natural attraction, as the constituent particles of bodies which unite in a mass, by a natural tendency; one of the different species of attraction. – Newton. Arbuthnot.
2. Connection; dependence; as, the cohesion of ideas. But in this sense, see Coherence. – Locke.