the central or middle of a leaf.
the main vein of a leaf, running down the centre of the blade
The central or main vein of a leaf, as in eudicots, magnoliids, and ferns. Midribs generally protrude from the underside of leaves with pinnate venation. See more at venation.
[mid-rif] /ˈmɪd rɪf/ noun 1. (def 1). 2. the middle part of the body, between the chest and the waist. 3. the part of a dress or bodice, usually close-fitting, that covers this part of the body. 4. a garment that exposes this part of the body. adjective 5. noting or pertaining to the middle […]
[mid-rahyz] /ˈmɪdˌraɪz/ adjective 1. (of a building) having a moderately large number of stories, usually five to ten, and equipped with elevators. noun 2. a mid-rise apartment or office building.
[mid-saj-i-tl] /mɪdˈsædʒ ɪ tl/ noun, Craniometry. 1. a plane passing through the nasion when the skull is oriented in the Frankfurt horizontal. midsagittal plane mid·sag·it·tal plane (mĭd-sāj’ĭ-tl) n. See median plane.
[mid-sek-shuh n] /ˈmɪdˌsɛk ʃən/ noun 1. the middle or part of anything. 2. the solar plexus; midriff: a hard right to the midsection. /ˈmɪdˌsɛkʃən/ noun 1. the middle of something 2. the middle region of the human body; midriff midsection mid·sec·tion (mĭd’sěk’shən) n. A middle section, especially the midriff of the body.