D defs.my
Entry 2 senses Webster, 1913

Tremulous

/trĕm'-yəl-əs/ · Trem·u·lous · IPA /ˈtɹɛmjuləs/
01 a. Shaking; shivering; quivering; as, a tremulous limb; a tremulous motion of the hand or the lips; the tremulous leaf of the poplar.
  1. 1.
    Shaking; shivering; quivering; as, a tremulous limb; a tremulous motion of the hand or the lips; the tremulous leaf of the poplar.
  2. 2.
    Affected with fear or timidity; trembling.
    “The tender, tremulous Christian.” Dr. H. More.