Definitions from Wiktionary ( )

▸ adjective:  Lying on its back.
▸ adjective:  (of the hand, forearm or foot) Turned facing toward the body or upward: with the thumb outward (palm up), or with the big toe raised relative to the little toe.
▸ adjective:  (figuratively) Reluctant to take action due to indifference or moral weakness; apathetic or passive towards something.
▸ adjective:  (rare, now poetic) Inclining or leaning backward; inclined, sloping.
▸ noun:  (grammar, also attributively) In Latin and other languages: a type of verbal noun used in the ablative and accusative cases, which shares the same stem as the passive participle.
▸ noun:  (grammar, also attributively) In Swedish, Faroese, Icelandic and Old Norse: a verb form that combines with an inflection of ha/hafa/hava to form the present perfect and pluperfect tenses.
▸ noun:  (grammar, also attributively) (obsolete terminology) The 'to'-prefixed infinitive in English or other Germanic languages, so named because the infinitive was regarded as a verbal noun and the 'to'-prefixed form of it was seen as the dative form of the verbal noun; the full infinitive.

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