| monodelphia | <zoology> The group that includes all ordinary or placental mammals; the Placentalia. See Mammalia. Origin: NL, fr. Gr. Single + the womb. Source: Websters Dictionary (01 Mar 1998) |
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| monodelphian | <zoology> One of the Monodelphia. Source: Websters Dictionary (01 Mar 1998) |