glide

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To move in a smooth, effortless manner: synonym: slide.
• intransitive verb To move silently and furtively.
• intransitive verb To occur or pass imperceptibly.
• intransitive verb To fly without propulsion from wings or an engine.
• intransitive verb Music To blend one tone into the next; slur.
• intransitive verb Linguistics To articulate a glide in speech.
• intransitive verb To cause to move or pass smoothly, silently, or imperceptibly.
• noun The act of gliding.
• noun Music A slur.
• noun The transitional sound produced by passing from the articulatory position of one speech sound to that of another.

from The Century Dictionary.

• In cricket, to glance; allow the ball to meet the bat and be deflected from it, usually to the leg side.
• noun A gliding movement; the act of moving smoothly and evenly.
• noun In music and pronunciation, the joining of two successive sounds without a break; a transition-sound involuntarily produced between two principal sounds; a slur.
• noun In dancing, a peculiar waltz-step performed in a smooth and sliding manner.
• noun In phonetics, a fleeting sound produced in passing from one position of the organs of speech to another, as in pronouncing the sound-combination ki in the word ‘kind’ designated the off-glide of the first letter and the on-glideof the second .
• noun In cricket, a glance; a stroke by which, instead of being hit, the ball is allowed to strike the bat and to be deflected from it, usually to the leg side.
• To move smoothly and without discontinuity or jar; pass or slip along without apparent effort; sweep along with a smooth, easy, rapid motion, as a stream in its channel, a bird through the air, or a ship through the water.
• Specifically In music, to pass from tone to tone without break; slur.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act or manner of moving smoothly, swiftly, and without labor or obstruction.
• noun (Phon.) A transitional sound in speech which is produced by the changing of the mouth organs from one definite position to another, and with gradual change in the most frequent cases; as in passing from the begining to the end of a regular diphthong, or from vowel to consonant or consonant to vowel in a syllable, or from one component to the other of a double or diphthongal consonant (see Guide to Pronunciation, §§ 19, 161, 162). Also (by Bell and others), the vanish (or brief final element) or the brief initial element, in a class of diphthongal vowels, or the brief final or initial part of some consonants (see Guide to Pronunciation, §§ 18, 97, 191).
• noun (Aëronautics) Movement of a glider, aëroplane, etc., through the air under gravity or its own movement.
• noun (Zoöl.) The glede or kite.
• intransitive verb To move gently and smoothly; to pass along without noise, violence, or apparent effort; to pass rapidly and easily, or with a smooth, silent motion, as a river in its channel, a bird in the air, a skater over ice.
• intransitive verb (Phon.) To pass with a glide, as the voice.
• intransitive verb (Aëronautics) To move through the air by virtue of gravity or momentum; to volplane.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb intransitive To move softly, smoothly, or effortlessly.
• verb intransitive To fly unpowered, as of an aircraft.
• verb transitive To cause to glide.
• noun The act of gliding.
• noun linguistics Semivowel
• noun fencing An attack or preparatory movement made by sliding down the opponent’s blade, keeping it in constant contact.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cause to move or pass silently, smoothly, or imperceptibly
• noun the activity of flying a glider
• noun the act of moving smoothly along a surface while remaining in contact with it
• verb fly in or as if in a glider plane
• verb move smoothly and effortlessly
• noun a vowellike sound that serves as a consonant