Laid or placed under or below.

Placed or set underneath; underlying, subjacent. Now archaic and poetic.

Situated below. Cf. supposite, adj. 2a. Obsolete. rare.

Lying immediately below, underlying. Obsolete.

Situated underneath or below; underlying. Anatomy and Botany. Lying beneath a part of an animal or plant; located or occurring in a position inferior…

underlying, subjacent.

Lying under or beneath.

Lying or attached beneath, subjoined. In later use esp. of a letter or symbol. Now rare.

Placed or situated below; opposite and lower. With to.

(a) Placed under or supporting the feet; of the nature of a footstool, pedestal, or other support; situated at the foot or base; also figurative…

Occupying a lower position physically; underlying. Obsolete. rare.

Placed underneath; (of a medication) administered as a suppository. Obsolete. rare.

= substrate, adj.

Underlying.

Stretched underneath; extended below. Chiefly figurative in later use.

That forms the substratum or base of something; that lies below or at the bottom of something; underlying. Cf. substratal, adj., substrative, adj.

= subjacent, adj.

Placed or positioned below something; underlying. Obsolete.

Botany. Of a part of a plant, esp. a leaf or bract: that extends under and supports or encloses another part.

That forms the substrate or base of something; underlying, fundamental. Cf. substratal, adj., substrate, adj.

placed below something else.

That lies beneath. Obsolete.

Situated below.