What's the difference between gudgeon and trunnion?

Gudgeon

Definition:

(n.) A small European freshwater fish (Gobio fluviatilis), allied to the carp. It is easily caught and often used for food and for bait. In America the killifishes or minnows are often called gudgeons.
(n.) What may be got without skill or merit.
(n.) A person easily duped or cheated.
(n.) The pin of iron fastened in the end of a wooden shaft or axle, on which it turns; formerly, any journal, or pivot, or bearing, as the pintle and eye of a hinge, but esp. the end journal of a horizontal.
(n.) A metal eye or socket attached to the sternpost to receive the pintle of the rudder.
(v. t.) To deprive fraudulently; to cheat; to dupe; to impose upon.

Example Sentences:

(1) The influence of test concentration centration ratio of diazinon in whole body of topmouth gudgeon was increased proportional to the body weight.
(2) Five of these fish species are reported here as new records for second intermediate hosts of C. complanatum in Japan: the silver crucian carp (Carassius gibelio langsdorfi), the deepbodied crucian carp (Carassius cuvieri), the carp (Cyprinus carpio), the topmouth gudgeon (Pseudorasbora parva) and the rose bitterling (Rhodeus ocelatus).
(3) It has been verified under laboratory conditions that constant and changing water temperature markedly affects the micropopulation growth in Gyrodactylus gobiensis parasite on the body surface of gudgeons (Gobio gobio L.).
(4) Among fishes, the bioconcentration ratio of diazinon by topmouth gudgeon was the highest value, 152 being average.
(5) The first case of a Thelohanellus infection in the brain of gudgeons (Gobio gobio) is described.
(6) In order to elucidate the functional significance of accessory cells in freshwater fishes, such as the rainbow trout, which displays a poor adaptability to seawater life, a search for such cells was performed in two stenohaline freshwater fishes: the loach and the gudgeon.

Definition:

(n.) A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to support it on the cheeks of the carriage. See Illust. of Cannon.
(n.) A gudgeon on each side of an oscillating steam cylinder, to support it. It is usually tubular, to convey steam.

Example Sentences:

(1) A follow-up study of 61 hips replaced by the trunnion bearing prosthesis was performed 2.5 years postoperatively.
(2) In three prostheses the polyacetal sleeve of the trunnion was so worn that the head bore directly on the stem.
(3) The biomechanics are presented of a bushing principle forming the basis for a trunnion bearing prosthesis in total hip replacement.
(4) A Christiansen trunnion-bearing hip prosthesis (Christiansen, 1969 and 1974) was used in all patients except one.
(5) This prosthesis was designed with a socket and a trunnion sleeve made of polyoxymethylene or Delrin.
(6) The femoral stem is equipped with a trunnion on to which a cylindrical plastic sleeve is applied.
(7) On flexion-extension this remains stationary in the acetabular cup and motion occurs between the trunnion and the cylindrical sleeve.
(8) We report upon 167 fractures of the medial femoral neck (166 patients aged 82 years on average) that were treated by hemialloarthroplasty (trunnion hip prosthesis Allo-Pro).
(9) The trunnion bearing may thus have spared the hip joint from stress during the first years of use.
(10) In this prosthesis an articular connection, or trunnion bearing, is introduced between the head and stem components in order to reduce friction at the acetabular joint.
(11) Acetabular protrusion was found in 14 cases, indicating that there are frictional forces working at the hip joint, also with the trunnion bearing system.