"مضطجع" - Translation from Arabic to English

• couchant
• was lying

My coat of arms is a Spider-Man couchant on a field vert.
شعار النبالة الخاص بي عليه الرجل العنكبوت مضطجع على حقل أخضر

What's "couchant" mean?
-ما معنى "مضطجع"؟

I said they were for a friend, but I wore one out of the store, so I think they knew I was lying.
قلت انهم لصديق، لكن أنا ارتدى واحد من المتجر، و لذلك أعتقد أنهم يعرفون أنا مضطجع.

She knew I was lying to her the entire time.
عرفت أنا مضطجع لها طوال الوقت.

I was lying to him for a month.
أنا مضطجع له لمدة شهر.

I was lying.
أنا مضطجع.

- I was lying.
- أنا مضطجع.