(1) There's a trapdoor into the attic.

(2) You operate the trapdoor by winding this handle.

(3) The trapdoor above 1c is closed but unlocked.

(4) Adult wasps must have escaped out the trapdoor at the top of the cocoon where the strap attaches.

(5) The woman shut the trapdoor with a slam.

(6) Raising the trapdoor she pointed a flight of steps.

(7) This program is used to compute the trapdoor channel capacity. Sentencedict.com

(8) Cryptographic attack based on trapdoor is presented, examples are given.

(9) She raised the trapdoor and pointed to a flight of steps.

(10) The dime reminded me of myself, turning hard corners and accelerating into a final bell-ringing disappearance through a bright metal trapdoor.

(11) They were careful with each other; they did not talk about the sadness or the sudden trapdoor feeling in their stomachs.

(12) They might ambush you when you stuck your head up a trapdoor and stab you with a pike.

(13) He was certain he had found a cleverly concealed trapdoor.

(14) Looking up, he found he was standing under a short vertical shaft, at the top of which was another trapdoor.

(15) There was no way this tank could get through the trapdoor into the attic.

(16) Internal access to this lower room was obtained through a trapdoor in the floor of the drop room.

(17) But the 1.2-inch-wide (3-centimeter-wide) arachnid has been dubbed the albino trapdoor spider until it's formally described as a new species.

(18) If you happen to drop through a hole or trapdoor, you'll know where the upstairs are.

(19) The structural style found in the basin includes imbricated thrust zone, trapdoor structure, drag fold, listric fault, rollover anticline, horst-graben structure and the like.