The Collaborative International Dictionary
Lifemate
Lifemate \Life"mate`\ (l[imac]f"m[=a]t`), n.
Companion for life.
--Hawthorne.
Wiktionary
lifemate
n. A companion for life.
Usage examples of "lifemate".
There was no reason to believe this plea for lifemates was any truer than his other lies.
And Jaxom waded out in the warm water to help the fire-lizards give his lifemate a good scrubbing.