the world > relative properties > wholeness > mutual relation of parts to whole > fact or action of being joined or joining > attachment > be or become attached or affixed [verb (intransitive)] > attach oneself (3)
In wider sense: To cling or hold fast to; to attach oneself (by grasping, etc.) to (†on, upon, in).
intransitive for reflexive. To fasten oneself firmly (to an object) by means of a grapple. Also figurative. (Cf. 8.)
intransitive. Chiefly with to. To cling or grip on to something; to take hold.